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: What bodily factors affect heart rate? 
 Sentence2: What factors influence heart rate?
[EX A]: Similar

[EX Q]: Sentence1: Hi there are you able to help.me please Dr. Eric Kelts? I think I have a trapped nerve and its traveling from the bottom of my back down my legs, which I think may be siataca I'm not quite sure but I'm in agony. Cant move at all with my back! I struggled 
 Sentence2: What is sciatica and what are the symptoms?
[EX A]: Dissimilar

[EX Q]: Sentence1: I had a low placenta and bled twice big around 1 am. Was that coincidence? 
 Sentence2: How to manage heavy bleeding during pregnancy?
[EX A]:
Dissimilar