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.

Example Input: Sentence1: How can I prevent orthostatic hypotension? 
 Sentence2: What are the symptoms of orthostatic hypotension?
Example Output: Dissimilar

Example Input: Sentence1: 21 f on birth control, period started late, period lighter than normal, pain in my belly that's not normal, been tired a lot more lately. what wrong? 
 Sentence2: Are delayed period, light periods, abdominal pain, tiredness common side effects of birth control?
Example Output: Dissimilar

Example Input: Sentence1: If I didn't show any signs of Me being pregnant the first time around would I have any signs this time? 
 Sentence2: I had unprotected sex 10 days back and I'm expecting my period soon. I feel nausous, tired, constipated and breasts hurt. Does that sound like signs of pregnancy?
Example Output:
Dissimilar