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: 21 f on birth control, period started late, period lighter than normal, pain in my belly that's not normal, been tired a lot more lately. what wrong? 
 Sentence2: I am a 21 years old female on birth control. My period has come in late and is lighter than normal. I also have abdominal pain and excessive tiredness. Is this normal?
Example Output: Similar

Example Input: Sentence1: Is a brain injury/ brain damage considered to be the same as a mental illness? 
 Sentence2: May I know if brain injury and damage is same as mental illness?
Example Output: Similar

Example Input: Sentence1: Is it safe to use silicone gel sheet on acne scar on the face? 
 Sentence2: What is the safety of using silicone gel sheet on acne scar on the face?
Example Output:
Similar