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: What are some illnesses of the lymphatic system? 
 Sentence2: I think I have symptoms of illness of lymphatic system. How can I treat it? 

A: Dissimilar
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Q: Sentence1: How would doctors recommend I treat painful headaches or migraines? 
 Sentence2: My daughter has migraine and she gets really bad headaches. I am planning to take her to her doctor but would like to know how migraines are treated usually?

A: Similar
****
Q: Sentence1: What is the cleanest/safest SSRI for general stress-induced anxiety? 
 Sentence2: Why do I have anxiety when I go in an elevator?

A:
Dissimilar
****