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.

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?
Dissimilar

Sentence1: Pushups - should hr or BP drop first? for me the hr drops quick but neck still pulsating very hard so is that dangerous to have low hr and high bp? 
 Sentence2: What is causing me to feel pulsations in my neck while working out? I have also noticed that my HR drops during this time but the BP is still high. Can you explain how this works?
Similar

Sentence1: Is it possible for common antacids to neutralize the acid that plaque produces and causes cavities? 
 Sentence2: How do antacids work?

Dissimilar