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: My dad has stage 4 nsclc, what tests he should normally do to check the progress/ regress? And how often.
Sentence2: My dad has been diagnosed with stage 4 nsclc, asked to undergo tets after every 4 months to check it's progress. What are his chances?

A: Dissimilar
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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
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Q: Sentence1: So the bf is disgusted by my stretch marks. What can I do to get rid of them?
Sentence2: I have stretch marks and my partner does not seem to be happy. What would you suggest I do to get rid of them?

A:
Similar
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