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: The 2nd person closest to me had a cold sore and passed it to  the person next to me who hit it and passed it to me (glass pipe) am i at risk? 
 Sentence2: I was wondering if I am at risk of acquiring cold sore, after I had come in close contact with a person who had a cold sore, which was passed from the person next to them. 

SOLUTION: Similar

PROBLEM: Sentence1: I've had a bilateral neck dissection for thyroid cancer in 2011. My neck has been swollen for 3 years. Should I see a lymph node specialist? 
 Sentence2: Is surgery needed to remove an enlarged thyroid gland?

SOLUTION: Dissimilar

PROBLEM: Sentence1: Both arms numb no chest pain just a lil dizzy. And a little heart burn I have gastritis and back arthritis. 
 Sentence2: What are the symptoms of cervical spondylosis?

SOLUTION:
Dissimilar