before_sent:  We find that nearly all the contextualized word vectors of BERT and RoBERTa have some common patterns .
before_sent_with_intent: <clarity>  We find that nearly all the contextualized word vectors of BERT and RoBERTa have some common patterns .
after_sent:  We find that nearly all the contextualized word vectors of BERT and RoBERTa have a common pattern .