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: 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? 
[EX A]: Dissimilar

[EX Q]: Sentence1: How do you contact worms from pets? I saw a few white things in my b.M. But not everytime. How can I get rid of them? What are the symptoms? 
 Sentence2: Which worms cause infections in humans?
[EX A]: Dissimilar

[EX Q]: Sentence1: At times it stings/strikes me inside my head? Is it cause of sleep or cold or something else? 
 Sentence2: What can help treat stinging pain in the head because of a cold?
[EX A]:
Dissimilar