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.

[Q]: Sentence1: Symmetrical legs & feet; numb, weak & tingly. Painful to walk @rest, both feet throb til they both go "numb". Is this due to my chronic back pain? 
 Sentence2: I have chronic back pain. Recently I started experiencing numbness, weakness and tingling sensation on both legs and feet, that hurt on walking. At rest, my legs and feet throb until numbness sets in. Is this due to my back ache?
[A]: Similar


[Q]: Sentence1: There is a psychiatric night time tablet for schizophrenia that starts with 'c', does it cause drowsiness? 
 Sentence2: I was prescribed on Abilify for schizophrenia to be taken at night time. Can this make me to feel more sleepy?
[A]: Similar


[Q]: Sentence1: How much should I take the biotin 500mg? 
 Sentence2: May I know, what are the benifits of taking biotin 500mg? 
[A]:
Dissimilar