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.

Sentence1: Got period after 4mo and it lasted 11 days,which never happens.I've been experiencing dull uncomfortable on/off pain by my uterus.What could it be? 
 Sentence2: I missed my period for 4 months and now have very heavy bleeding, is that normal?
Dissimilar

Sentence1: How to manage back pain chronic back pain? 
 Sentence2: Are there any ways or remedies you would suggest to help with chronic back pain?
Similar

Sentence1: Can a person be allergic to febreeze plug ins? The scent of something? 
 Sentence2: I am very sensitive and I am allergic to many things but not sure if I am allergic to scent. Do you think I can use perfumes on my clothes avoiding pulse points?

Dissimilar