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: Purple fluid filled sack on scalp grew over several months, popped when squeezed. Resembled skin tag. Concerned of cancer. Nothing for doc to check? 
 Sentence2: Can a cancerous lesion on the scalp present with symptoms such as a fluid filled sac occurring over many months with some discharge?
answer:
Similar


question:
Sentence1: Is there any interactions between drinking soy milk and taking accutane? Can i drink it when I am on accutane? 
 Sentence2: I have been using accutane for my acne. Do you think soy milk can worsen my acne?
answer:
Dissimilar


question:
Sentence1: Does breastfeeding only on one side alter a woman's risk of breast cancer in the non-suckled breast? My son had a preference so I nursed on the left. 
 Sentence2: Does breastfeeding actually reduce the incidence of brest cancer or is it just a myth?
answer:

Dissimilar