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.

Example Input: Sentence1: I took Plan B on Feb. 11th, 2015 after having unprotected sex two days before. Now tonight I had protected sex, but the condom broke. I am wondering if the Plan B is still effective 5 days later? And if not, is it safe to consume another Plan B pill? 
 Sentence2: Hello doctor, I am of 18 years age and I had unprotected sex. Can I take Plan B? Do I need a prescription?
Example Output: Dissimilar

Example Input: Sentence1: Why am i so forgetful all the time i forget we're i'm going what i'm doing an saying? 
 Sentence2: I have been diagnosed with clinical depression and notice that I have been having forgetfulness and trouble with memory. What can I do for it?
Example Output: Dissimilar

Example Input: Sentence1: My rheumatologist said 'if a patient has lupus then prednisone doesn't work." why is that? 
 Sentence2: Apart from prednisone, what are other option for lupus? I have appointment with my rheumatologist soon. 
Example Output:
Dissimilar