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 Q]: Sentence1: Whenever I sit continous for a long time then I get numbness tingling in my arms legs and stifness tightness in head or face. Plz please tell what to do? 
 Sentence2: I have numbness and tingling in arms, legs, stiffness, tightness in head or face. This happens when I sit for long. Asking what to do?
[EX A]: Similar

[EX Q]: Sentence1: I can't see in the dark as well as others can? Do I need carrots or vitamin a? 
 Sentence2: Can deficiency of Vitamin A result in inability to see in dark?
[EX A]: Dissimilar

[EX Q]: Sentence1: Please provide advice on discontinuing hctz (hydrochlorothiazide) after developing petechiae on my arms. I have been taking hctz (hydrochlorothiazide) for 3 months and this just started. 
 Sentence2: Is hydrochlorthiazide safe for the elderly?
[EX A]:
Dissimilar