TASK DEFINITION: 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.
PROBLEM: Sentence1: Smoked half a pack year when I was 20 and quit. Will my lungs ever be healthy, also what long term damage if any should I be concerned about? 
 Sentence2: When I was 20 years, I smoked half a packet of cigarettes and I quit. Will my lungs be healthy and may I know what is the longterm damage and should  b concerned?

SOLUTION: Similar

PROBLEM: Sentence1: I am on penicillin for about a month now, a week ago I started seeing my period but by the afternoon it stopped. Can penicillin delay periods? 
 Sentence2: Can Penicillin interfere with my birth control pill?

SOLUTION: Dissimilar

PROBLEM: Sentence1: I'm snowed in and in the 4th day of an extreme sore throat, cough and possible fever. Swallowing is very painful, and the cough is constant tickle? 
 Sentence2: I have bad sore throat with tickling, cough and fever for the past 4 days which is not getting better with any over the counter medicine. Do you think it could be strep throat?

SOLUTION:
Dissimilar