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: Why do my ears "pop" when I am weight lifting? 
 Sentence2: Is it normal for ears to pop if one lifts heavy weights?
[A]: Similar


[Q]: Sentence1: What should I do if I have an allergy of sneezing when i wake upplease tell me what type of disease or allergy it is? 
 Sentence2: Lately, I have been sneezing a lot. Not sure if it is just allergy or something major. What do you think?
[A]: Similar


[Q]: Sentence1: Does lung cancer always effect oxygen levels. 
 Sentence2: I was diagnosed with lung cancer and I have been on therapy. My oxygen saturation levels have been around 90% and I am worried if this is ever going to improve. Should I ask my doctor if therapy needs to be changed?
[A]:
Dissimilar