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: I've got a stabbing pain in my groin in scrotum, what would cause this? 
 Sentence2: What does sharp excrutiating pain in the groin and scrotum mean? What can cause this?

A: Similar
****
Q: Sentence1: What to do if I am worried about my 2 year old son having a holter monitor test. I don't know what to expect.? 
 Sentence2: My daughter had a Holter Monitor test. There is a rash around the area where the lead was attached. Can he take anti allergy medication?

A: Dissimilar
****
Q: Sentence1: I have an awful headache, what I should do? 
 Sentence2: Can overuse of NSAIDS result in headache?

A:
Dissimilar
****