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.
--------
Question: Sentence1: Is vaginal itching normal during ovulation? 
 Sentence2: Is it normal to feel itchy in the vaginal area when one ovulates?

Answer: Similar


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: My period was black and sticky but is not smelling although have been having irregular menses for two years now? 
 Sentence2: I have irreglar periods. Can I still get pregnant?

Answer:
Dissimilar