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 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?
[A]: Dissimilar


[Q]: Sentence1: How do I tell the difference between an allergy and a sinus infection? 
 Sentence2: Can you tell me some OTC medications for allergies and sinus infection?
[A]: Dissimilar


[Q]: Sentence1: Is it possible to ovulate one day after period stop? 
 Sentence2: Is it possible for ovulation to take place one dat after fisninshing with the period?
[A]:
Similar