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: I have being getting headaches for about 2 weeks, feeling really tired and fainted once which never happened before and loss of  appetite. what's wrong? 
 Sentence2: What conditions can cause headaches, dizziness and loss of consciousness?
[A]: Similar


[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


[Q]: Sentence1: When do you apply sunscreen: before or after skin care? 
 Sentence2: When is the best time to apply sunscreen and how do I use it with other skincare products?
[A]:
Similar