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: I can feel small lymph node in my neck the doctor said its 9m is this normal.Iam itlle worry.But the rest of the lymph node i can't feel them. 
 Sentence2: I have swollen lymph nodes in my thigh region, the doctor mention that it's 9mm. I can't feel any lymph node in the neck and armpit region. Do I have STD/STI? 

SOLUTION: Dissimilar

PROBLEM: Sentence1: I was diagnosed w/ Chlamydia on 9/29/2015. Treated the same day. Tested on 11/16/2015, came back positive. I haven't had sex since the 1st test. How? 
 Sentence2: What is the treatment for recurrent Chlamydial infections?

SOLUTION: Dissimilar

PROBLEM: Sentence1: Symptoms of arthritis in the spine? 
 Sentence2: What are the symptoms of spine arthritis? 

SOLUTION:
Similar