diff --git a/forte_wrapper/allennlp/allennlp_processors.py b/forte_wrapper/allennlp/allennlp_processors.py
index 2e9f2d6..c49198b 100644
--- a/forte_wrapper/allennlp/allennlp_processors.py
+++ b/forte_wrapper/allennlp/allennlp_processors.py
@@ -76,8 +76,8 @@ def initialize(self, resources: Resources, configs: Config):
                            "that the entries of the same type as produced by "
                            "this processor will be overwritten if found.")
             if configs.allow_parallel_entries:
-                logger.warning('Both `overwrite_entries` (whether to overwrite '
-                               'the entries of the same type as produced by '
+                logger.warning('Both `overwrite_entries` (whether to overwrite'
+                               ' the entries of the same type as produced by '
                                'this processor) and '
                                '`allow_parallel_entries` (whether to allow '
                                'similar new entries when they already exist) '
@@ -85,8 +85,8 @@ def initialize(self, resources: Resources, configs: Config):
                                'will be deleted.')
         else:
             if not configs.allow_parallel_entries:
-                logger.warning('Both `overwrite_entries` (whether to overwrite '
-                               'the entries of the same type as produced by '
+                logger.warning('Both `overwrite_entries` (whether to overwrite'
+                               ' the entries of the same type as produced by '
                                'this processor) and '
                                '`allow_parallel_entries` (whether to allow '
                                'similar new entries when they already exist) '
@@ -133,19 +133,22 @@ def default_configs(cls):
     def _process(self, input_pack: DataPack):
         # handle existing entries
         self._process_existing_entries(input_pack)
-
-        for sentence in input_pack.get(Sentence):
-            result: Dict[str, List[str]] = {}
-            for key in self.predictor:
-                predicted_result = self.predictor[key].predict(  # type: ignore
-                    sentence=sentence.text)
+        sentences = [_ for _ in input_pack.get(Sentence)]
+        inputs = [{"sentence": s.text} for s in sentences]
+        results = {k: p.predict_batch_json(inputs)
+                   for k, p in self.predictor.items()}
+        for i in range(len(sentences)):
+            result = {}
+            for key in self.predictor.keys():
                 if key == 'srl':
-                    predicted_result = parse_allennlp_srl_results(
-                        predicted_result['verbs'])
-                result.update(predicted_result)
+                    result.update(
+                        parse_allennlp_srl_results(results[key][i]["verbs"])
+                    )
+                else:
+                    result.update(results[key][i])
             if "tokenize" in self.configs.processors:
                 # creating new tokens and dependencies
-                tokens = self._create_tokens(input_pack, sentence, result)
+                tokens = self._create_tokens(input_pack, sentences[i], result)
                 if "depparse" in self.configs.processors:
                     self._create_dependencies(input_pack, tokens, result)
                 if 'srl' in self.configs.processors:
@@ -159,8 +162,8 @@ def _process_existing_entries(self, input_pack):
             if not self.configs.overwrite_entries:
                 if not self.configs.allow_parallel_entries:
                     raise ProcessorConfigError(
-                        "Found existing entries, either `overwrite_entries` or "
-                        "`allow_parallel_entries` should be True")
+                        "Found existing entries, either `overwrite_entries` or"
+                        " `allow_parallel_entries` should be True")
             else:
                 # delete existing tokens and dependencies
                 for entry_type in (Token, Dependency):