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.

[EX Q]: Sentence1: Out of the blue, my heart will just get this pain. It really hurts. Why? 
 Sentence2: I am having on/off chest pain and sometimes it appears out of the blue. Can you suggest any measures to subside it? 
[EX A]: Dissimilar

[EX Q]: Sentence1: What types of exercises are recommended for rehabilitating from chondromalacia patella? 
 Sentence2: Do you have any ideas about exercises that can enhance recovery from chondromalacia patella?
[EX A]: Similar

[EX Q]: Sentence1: How long does it normally take a man to ejaculate, and at what point is ejaculation considered premature? 
 Sentence2: I usually take 2-3 minutes for ejaculation. Do you think it's premature? What's the normal duration for ejaculation to occur?
[EX A]:
Similar