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: Can u get pregnant from pre cum? 
 Sentence2: What are the chances of getting pregant from precum?

SOLUTION: Similar

PROBLEM: Sentence1: Does anyone know what can cause severe leg pain in both legs especially at night? 
 Sentence2: Why am I having severe pain in the legs at night?

SOLUTION: Similar

PROBLEM: Sentence1: How can I get rid of ths pain in my leg? 
 Sentence2: Is pain in the leg a sign of a blood clot?

SOLUTION:
Dissimilar