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.
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Question: Sentence1: I stepped on a rock that injured the outside of my foot.  17 days later, swelling and bruising down. Discomfort still. Will walking hurt the healing? 
 Sentence2: It's been almost 2 and half weeks since I bumped into a rock and injured my foot, though the swelling is down bit it still hurts, is it a fracture, am I okay to walk or should I avoid weight bearing?

Answer: Similar


Question: Sentence1: 34 year old male. Graying hair. Has been stressful past year of change in life. Does stress affect this in men? Any advice to slow graying/thinning? 
 Sentence2: I am a young male and have got gray hair. Can I use a hair dye? 

Answer: Dissimilar


Question: Sentence1: Can gabapentin work for headaches caused by trimethoprim. I have started taking 100mg gabapentin daily for 4 days and trimethoprim 200mg twice a day. 
 Sentence2: Can antibiotics like Trimethoprim and Gabapentin taken together cause any major side effects?I am taking the Gabapentin for headaches.

Answer:
Dissimilar