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.

Ex 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?

Ex Output:
Similar


Ex Input:
Sentence1: What do you suggest if my grandma had 2 massive strokes so on? 
 Sentence2: I have severe headache. I smoke, drink and I am obese. I am stressed. Am I in risk of getting a stroke?

Ex Output:
Dissimilar


Ex Input:
Sentence1: Can u get pregnant from pre cum? 
 Sentence2: How do I know if there was precum?

Ex Output:

Dissimilar