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: What muscles contribute to lower back pain? 
 Sentence2: I lifted heavy weights 2 days ago. I have been expeirencing severe lower back ache ever since. I believe I may have strained my lower back muscles but I am worried it may have caused disc bulge in my lower spine. What could be the chances?
answer:
Dissimilar


question:
Sentence1: What quantity of lortab 10mg equal 15mg oxycodone? 
 Sentence2: I took two pills of lortab 10mg 4 hours ago. I forgot about that and I took a pill of oxycodone 15mg a couple of minutes for my severe headache. Do they interact with each other? Will I be okay?
answer:
Dissimilar


question:
Sentence1: I've had a lump by my bellyboutton and it moves around its been a week now could I have a hernia? I've been constapated too? Or pregnancy had neg test 
 Sentence2: I have a pianful bellubutton lump. Do I need to see a local doctor?
answer:

Dissimilar