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: Why people with runny nose tend to have cracked lips? 
 Sentence2: I have a runny nose, congestion and a headache. My lips are also dry because of the dry weather. What can I try for all of these symptoms?

SOLUTION: Dissimilar

PROBLEM: Sentence1: Late menstrual period after bad carwreck? 
 Sentence2: Missed my period. Is this car accident the cause?

SOLUTION: Similar

PROBLEM: Sentence1: My mom also had a cancerous lump removed from her breast a few years ago. Could it be the same thing now? 
 Sentence2: I had a lump in the breast and was earlier diagnsoed with a fibroadenoma. Can it be cancer?

SOLUTION:
Dissimilar