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 some good lumbar strain exercises? 
 Sentence2: Do exercises such as dead lifts strain the lumbar spine?

Output: Dissimilar


Input: Consider Input: Sentence1: I'm wondering what is the best birth control? 
 Sentence2: Can birth control pills and emergency pills be taken together?

Output: Dissimilar


Input: Consider Input: Sentence1: What does a measles rash look like? 
 Sentence2: How long it takes for measles rash to appear?


Output: Dissimilar