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: What is best material for bleaching teeth? 
 Sentence2: I inhaled fumes of bleaching powder and I am having headache and nausea. What symptoms do I look for? Is this some thing that warrants an ER visit?
Dissimilar

Sentence1: I'm 19, doctor checked cervix, developed abnormal cells, maybe HPV warts, getting more tests, been with boyfriend 2 years can I still have unprotected sex? 
 Sentence2: What are the complications of having abnormal cells? Does one get them by engaging in unprotected sexual intercourse?
Dissimilar

Sentence1: Is it safe to get hysterectomy done before angioplasty? 
 Sentence2: I just got my hysterectomy done 6 months back and now my doctor advised me to get an angioplasty done for a chest pain! I am just 35, do I really need it?

Dissimilar