diff --git a/mammoth/inputters/dataset.py b/mammoth/inputters/dataset.py
index 96bebe74..f79bdd79 100644
--- a/mammoth/inputters/dataset.py
+++ b/mammoth/inputters/dataset.py
@@ -115,6 +115,7 @@ def _tokenize(self, string, side='src'):
 
     def _numericalize(self, tokens, side='src'):
         """Convert list of strings into list of indices"""
+        print(side, tokens)
         vocab = self.vocabs[side]
         bos = vocab[DefaultTokens.BOS]
         eos = vocab[DefaultTokens.EOS]
@@ -124,6 +125,7 @@ def _numericalize(self, tokens, side='src'):
             *(vocab.stoi.get(token, unk) for token in tokens),
             eos,
         ], device='cpu')
+        print(indices)
         return indices
 
     def to(self, device):
diff --git a/mammoth/transforms/tokenize.py b/mammoth/transforms/tokenize.py
index 5c6e283a..53dda7cf 100644
--- a/mammoth/transforms/tokenize.py
+++ b/mammoth/transforms/tokenize.py
@@ -217,6 +217,7 @@ def _tokenize(self, tokens, side='src', is_train=False):
             segmented = sp_model.encode(
                 sentence, out_type=str, enable_sampling=True, alpha=alpha, nbest_size=nbest_size
             )
+        print(f'segmented: {segmented}')
         return segmented
 
     def apply(self, example, is_train=False, stats=None, **kwargs):