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.
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Question: 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?

Answer: Dissimilar


Question: Sentence1: Feels like something is stuck in throat, shoulder and chest feels mildly heavy, upper back ache. No more coughing. What can this be? 
 Sentence2: I have feeling of something stuck in throat, dizziness, anxious, stress and heaviness and I am on Lexapro for my anxiety. My symptoms started worsening even after taking the medication. Should I need to change my medication? 

Answer: Dissimilar


Question: Sentence1: How long would a person with cancer live? 
 Sentence2: Is Cancer curable?

Answer:
Dissimilar