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: Stroke at 90 . At this stage, would a speech therapy help her? 
 Sentence2: What are some common symptoms of stroke?

SOLUTION: Dissimilar

PROBLEM: Sentence1: What causes a problem with lower back (right side) down the leg to near ankle? 
 Sentence2: I have a problem with lower right side of the leg near the ankle. What could cause a problem like that?

SOLUTION: Similar

PROBLEM: Sentence1: What are those tiny white bumps on the tip of my tongue? Can I spread it to my infant? 
 Sentence2: What can cause red bumps on the tongue? They are painful too 

SOLUTION:
Dissimilar