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.

Q: Sentence1: Is it normal for the stomach to increase in size after receiving cpr? 
 Sentence2: Does a CPR cause the stomach to increase in size?

A: Similar
****
Q: Sentence1: I was diagnosed w/ Chlamydia on 9/29/2015. Treated the same day. Tested on 11/16/2015, came back positive. I haven't had sex since the 1st test. How? 
 Sentence2: What is the treatment for recurrent Chlamydial infections?

A: Dissimilar
****
Q: Sentence1: I'm bleeding from penis for no reason. What could this be? 
 Sentence2: What are some causes of bleeding from the penis?

A:
Similar
****