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: What does t means a positive ANA test and ifa? 
 Sentence2: Do I need to be fasting before taking ANA test?
Example Output: Dissimilar

Example Input: Sentence1: Is it normal for the stomach to increase in size after receiving cpr? 
 Sentence2: Does a CPR cause the stomach to increase in size?
Example Output: Similar

Example Input: Sentence1: Does anyone know what can cause severe leg pain in both legs especially at night? 
 Sentence2: How to treat severe leg pain at night?
Example Output:
Dissimilar