instruction:
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.
question:
Sentence1: How can I prevent orthostatic hypotension? 
 Sentence2: What are the symptoms of orthostatic hypotension?
answer:
Dissimilar


question:
Sentence1: I am a girl, my cum is a little foamy and thick. stringy too. I have no smyptoms, but is this normal? 
 Sentence2: I think, I have vaginal yeast infection as my cum is little foamy, thick and stringy. Should I see the doctor? 
answer:
Dissimilar


question:
Sentence1: I have pain on the left side of my neck when swallowing. Been going on for 3 days. 
 Sentence2: I have been experiencing neck pain on left side on swallowing for last 3 days. Did I pull the muscle?
answer:

Similar