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: The cause of my first pregnancy miscarriage seemed to b a bleed sac above my baby at 6 1/2 weeks. Is there anything I can do to prevent this next time. 
 Sentence2: If a woman had a miscarriage in a previous pregnancy, will she have one again the second time around?

Answer: Dissimilar


Question: Sentence1: How can I prevent glaucoma? 
 Sentence2: What are the symptoms of glaucoma?

Answer: Dissimilar


Question: Sentence1: Noticed small purple black lumps under foreskin on penis and one on penis head - (this one was already present before sex). Could it be genital warts? 
 Sentence2: Tested negative for STD/STI's but have  small black purple lumps on foreskin and head of penis. What it could be? 

Answer:
Dissimilar