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: My dad has stage 4 nsclc, what tests he should normally do to check the progress/ regress? And how often. 
 Sentence2: My dad has been diagnosed with stage 4 nsclc, asked to undergo tets after every 4 months to check it's progress. What are his chances? 
answer:
Dissimilar


question:
Sentence1: Walked somewhere yesterday in skinny jeans. Left testicle started hurting. Hurts when I touch it. Never happened before. I am very healthy. 
 Sentence2: My left testicle has been hurting yesterday since when I walked for a long time. Can standing or walking for a long time cause testicle pain?
answer:
Similar


question:
Sentence1: What causes you to vomit with a itchy throat? 
 Sentence2: I have been vomiting around 3-4 episodes daily, diarrhea, fever, stomach pain, nause and chills. May I know what the cause is?
answer:

Dissimilar