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.

Input: Consider Input: Sentence1: I never had any pain before/during my period. The other day I started having pain in the pelvic area. At night it's so excruciating I can barely move. 
 Sentence2: I was diagnosed with chlamydia and gonorrhea last week and cannot afford treatment now. I have severe lower abdominal pain and pelvic pain. What can I do?

Output: Dissimilar


Input: Consider Input: Sentence1: I am on penicillin for about a month now, a week ago I started seeing my period but by the afternoon it stopped. Can penicillin delay periods? 
 Sentence2: Can Penicillin interfere with my birth control pill?

Output: Dissimilar


Input: Consider Input: Sentence1: Brain epidermoid, is it the same as a  meningioma tumor the difference between the two       3cm brain stem / 8cm front lobe? 
 Sentence2: Is surgery the only treatment option for a brain epidermoid or a meningioma?


Output: Dissimilar