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: Period was 2 mo late, now been on for 3 wks so far. At the beginning of it all I was intensely stressed But not now. Should I be worried? 
 Sentence2: I am bleeding for the last 3 weeks now and I was 2 months late this time. I was strressed when it started but all fine now. Is this something concerning?

A: Similar
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Q: Sentence1: I had water in my ear so I used ear drops for swimmers ear. Now I can't hear and the drops are stuck in my ear. 
 Sentence2: Do you think it is okay to use OTC ear drops if you have swimmer's ear?

A: Dissimilar
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Q: Sentence1: One week ago tonight I threw up several times, no diarrhea or stomach cramps. Slept for the rest of the next day. Still no energy!!! Appetite is back. 
 Sentence2: I started using a new medication called Zofran. After using this, I feel like I have no energy and have thrown up a few times too. Can this medication cause these side effects?

A:
Dissimilar
****