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: What can I do about adrenal gland tumour and what are the symptoms? 
 Sentence2: My grandfather has adrenal gland tumor and he has symptoms such as depression, excessive urination, etc. What is the treatment option for this tumor?
answer:
Dissimilar


question:
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?
answer:
Dissimilar


question:
Sentence1: I have developed these random red patches on my torso, neck, and back that flare up and disappear every once in a while. They do not itch. Why? 
 Sentence2: How do I get rid of red spots on my torse, neck and back?
answer:

Dissimilar