instruction:
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.
question:
Sentence1: How to tell if nuvaring side effects or early signs of pregnancy? 
 Sentence2: How can I differentiate between side effects of nuvering and early pregnancy symptoms?
answer:
Similar


question:
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?
answer:
Dissimilar


question:
Sentence1: Do people with testicular cancer feel the pain come and go? 
 Sentence2: What are the symptoms of testicular cancer? 
answer:

Dissimilar