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.

[Q]: Sentence1: How can I prevent orthostatic hypotension? 
 Sentence2: What are the symptoms of orthostatic hypotension?
[A]: Dissimilar


[Q]: Sentence1: I have a bruise circling a insect bite,is this common? 
 Sentence2: I got a bug bite, now I notice a bruise around it, is that normal?
[A]: Similar


[Q]: Sentence1: Yesterday had like 24hr bug with vomiting and bad diorreah waterlike, today a rash has appeared very itchy looks like measles but it isn't, what is it? 
 Sentence2: I am passing watery stool and non stop vomiting. Shall I visit the ER?
[A]:
Dissimilar