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: What are the main signs of staph infection?
Sentence2: How do I know if I have a staph infection?

Output: Similar

Input: Consider Input: Sentence1: Does anyone know what can cause severe leg pain in both legs especially at night?
Sentence2: Why am I having severe pain in the legs at night?

Output: Similar

Input: Consider Input: Sentence1: After having sex once I don't feel like doing it with her again why is that so ?
Sentence2: What are the causes of decreased libido?
Output: Dissimilar