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: Is it okay for 18 year olds to take thermogenics? 
 Sentence2:  I have heard a lot of 18 year old taking thermogenics. Could you tell me what we mean by thermogenics? 

A: Dissimilar
****
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
****
Q: Sentence1: I am having surgery on my inner right ankle for a 1.4cm mass thats between bone and nerve the nerve might be connected. How big will the incision be. ? 
 Sentence2: The doctor performed an ankle surgery with help of big incison to excise a 1.4 cm mass on inner right ankle between bone and nerve. How long will I take to recover? 

A:
Dissimilar
****