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: Are Sympathetic Nerve Blocks effective at calming the sympathetic system which causes angina and migraines? If not, why not? Would seem logical. 
 Sentence2: Does an active sympathetic system cause angina and migraines? Wouldn't nerve blocks help in such cases?

Output: Similar


Input: Consider Input: Sentence1: I am about 15 weeks of pregnant and I have difficulty to sleep what can I take for helping me sleep. Thank you? 
 Sentence2: I am having difficulty in sleeping these days. Even mediactions are not helping. What could be the reason? I am 15 weeks pregnant. Could it be related?

Output: Dissimilar


Input: Consider Input: Sentence1: I've had my tonsils out and my lymph nodes seem to be swollen lot can it be from allergies I get a lot of drainage? 
 Sentence2: Could allergies cause swollen lymph nodes and tonsils? I am also having lot of drainage. 


Output: Similar