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: 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?
Similar

Sentence1: I am about 15 weeks of pregnant and I have difficulty to sleep what can I take for helping me sleep. Thank you?
Sentence2: I am having difficulty in sleeping these days. Even mediactions are not helping. What could be the reason? I am 15 weeks pregnant. Could it be related?
Dissimilar

Sentence1: I have a lump on the back of my head. Its above the hairline in the middle. Its hard and unmovable. It does not pain. Should I be cocerned?
Sentence2: What would a hard, fixed, midline bump in the head that's been there for a few weeks mean?
Similar