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: How often should I get my custom  orthotics  evaluated and replaced & have Flat feet/ 1fallen arch. Advice  for 5K run/walker to avoid injury? 
 Sentence2: May I know orthotics gelp with my flat feet/fallen arch?

A: Dissimilar
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Q: Sentence1: Hello docs, is atherectomy better than stent procedure? 
 Sentence2: My grandfather has been diagnosed with 90% bloackage in right coronary artery, do you think he should go in for stent procedure or atherectomy?

A: Similar
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Q: Sentence1: Would a shattered scapula take longer to heal than a compound tib fib fracture? 
 Sentence2: Which takes longer to heal? A shattered scapula or a compound fracture of tiba and fibula?

A:
Similar
****