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 Input:
Sentence1: Dizziness and light headed, what can cause this?
Sentence2: I have not been sleeping well for the past few days and it is annoying. Can this be causing dizziness and lightheadedness.

Ex Output:
Similar

Ex Input:
Sentence1: I have been on klonopin (clonazepam) for my gad for about 4 years, 2mg a day. How long will the withdrawals last? Or when is it out of my system?
Sentence2: Hello doctor, I am diagnosed with GAD and was given Klonopin an I have been on the medication for few months. Now, the medication is not helping and my doctor wants to change me to celexa. Can I know about the side effects and efficacy of each? Which medication do you think is better?

Ex Output:
Dissimilar

Ex Input:
Sentence1: Can doctors tell me what does your heart rate need to get up to when you exercise?
Sentence2: How high does the heart rate go up to during exercise?

Ex Output:
Similar