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: I have being getting headaches for about 2 weeks, feeling really tired and fainted once which never happened before and loss of  appetite. what's wrong? 
 Sentence2: What conditions can cause headaches, dizziness and loss of consciousness?
Example Output: Similar

Example Input: Sentence1: After having sex once I don't feel like doing it with her again why is that so ? 
 Sentence2: Why do I experience decreased libido only with a person whom I had intercourse before? 
Example Output: Similar

Example Input: Sentence1: Is it possible to be able to stop the ssri you're taking one day and having been recovered totally from OCD so no need for meds again? 
 Sentence2: Can SSRI completely treat the OCD, so that you don't need to take it in future? 
Example Output:
Similar