instruction:
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 it possible for a seven panel urine drug screen to distinguish between Vyvanse (lisdexamfetamine) and concerta? 
 Sentence2: Hello doctor I am on Vyvanse and Concerta. Is it possible for seven panel urine drug test to distinguish between both?
answer:
Similar


question:
Sentence1: What can cause me to be lightheaded/dizzy? 
 Sentence2: I am a healthy 25 year old but for the past few days, I have been feeling lightheadedness and dizzy, do you know what might be the cause?
answer:
Similar


question:
Sentence1: Can dementia cause ANS dysfunction? If so how? 
 Sentence2: How can dementia cause ANS dysfunction?
answer:

Similar