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: How can I prevent orthostatic hypotension? 
 Sentence2: What are the symptoms of orthostatic hypotension?
Example Output: Dissimilar

Example Input: Sentence1: The muscles in my hips right above my butt ache a lot. Most times it pinches with pain. I wear high heels all the time, hurts to wear flats? 
 Sentence2: My hip muscles hurt a lot above my buttock like a pinch. I wear heels usually and it hurts on wearing flats. What could be the cause?
Example Output: Similar

Example Input: Sentence1: What is ovulation and when will female ovulates? 
 Sentence2: I am trying to conceive and have been using ovulation prediction kit to find out when I will ovulate. How accurate are they?
Example Output:
Dissimilar