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.

[EX Q]: Sentence1: Late menstrual period after bad carwreck? 
 Sentence2: I am late for my period. Can I be pregnant?
[EX A]: Dissimilar

[EX Q]: Sentence1: The 2nd person closest to me had a cold sore and passed it to  the person next to me who hit it and passed it to me (glass pipe) am i at risk? 
 Sentence2: I was wondering if I am at risk of acquiring cold sore, after I had come in close contact with a person who had a cold sore, which was passed from the person next to them. 
[EX A]: Similar

[EX Q]: Sentence1: My girlfriend woke up with a bruise on the end of her chin this morning. She never had it when she went to bed and never bumped it. What can it be? 
 Sentence2: What can be the cause for a sudden bruise on chin with no history of any injury?
[EX A]:
Similar