TASK DEFINITION: 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.
PROBLEM: Sentence1: Hello docs, is atherectomy better than stent procedure? 
 Sentence2: My grandfather has been diagnosed with 90% bloackage in right coronary artery, do you think he should go in for stent procedure or atherectomy?

SOLUTION: Similar

PROBLEM: Sentence1: Can having a milk allergy cause circles to form under the eyes? 
 Sentence2: What are some symptoms of milk allergy?

SOLUTION: Dissimilar

PROBLEM: Sentence1: Penis extender or jelqing? Which is better for enlargement? 
 Sentence2: Do penis extender and jelqing really help in enlarging the penis?

SOLUTION:
Dissimilar