In this task you are given a medical question pair hand-generated. Your task is to classify a given post into two categories 1) 'Similar' if the given two questions have a same connotation 2) 'Dissimilar' if the given two questions have a different connotation or meaning.
--------
Question: Sentence1: Stroke at 90 . At this stage, would a speech therapy help her? 
 Sentence2: What are some common symptoms of stroke?

Answer: Dissimilar


Question: Sentence1: Can fibroadenomas turn into breast cancer? 
 Sentence2: Are fibroadenomas malignant?

Answer: Similar


Question: Sentence1: What are some sources of vitamin d? 
 Sentence2: Sunlight is considered as a good source of vitamin d, right?  

Answer:
Dissimilar