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.

Example 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?
Example Output: Similar

Example Input: Sentence1: If a person has chronic hyperventilation syndrome and takes a pft and methacholine challenge test would the results be affected? Mine showed asthma. 
 Sentence2: My PFT and methacholine challenge test showed I have asthma. Could chronic hyperventilation syndrome have affected the results?
Example Output: Similar

Example Input: Sentence1: Cortisone shot as a diagnostic tool in the knee what does this mean. If the shot worked does it mean inflammation? If not internal damage. Help 
 Sentence2: Apart from diagnostic tool to differentiate between inflammation and internal injury. Is there any therapeutic benifits of cortsione shot in the knee? 
Example Output:
Dissimilar