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.

Sentence1: What does it mean when muscles jump like in your arm is this anything serious? 
 Sentence2: Muscles in my arms are jumping. Is it something to worry about?
Similar

Sentence1: Does lung cancer always effect oxygen levels. 
 Sentence2: I was diagnosed with lung cancer and I have been on therapy. My oxygen saturation levels have been around 90% and I am worried if this is ever going to improve. Should I ask my doctor if therapy needs to be changed?
Dissimilar

Sentence1: What does it mean if I have only a partial tear of my pcl? 
 Sentence2: Can a partial tear of PCL be diagnosed on an X-ray?

Dissimilar