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 the cause and the solution of what seems to be a traveling pocket of gas up and down my back, chest, rib cage with sometimes a griping pain? 
 Sentence2: My sister says she has a gas buildup causing gripping pain sometimes, that travels up and down her back, chest, rib cage for last 1 week. Her diet is very unhealthy and she doesn't drink water. She has scoliosis. Do you think both are related?
Dissimilar

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?
Dissimilar

Sentence1: I have headache please suggest? 
 Sentence2: What are the different kinds of headache?

Dissimilar