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.

Q: 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?

A: Dissimilar
****
Q: Sentence1: My first sonogram said I was 7 weeks pregnant due date 3/22. Next appointment (5 weeks later) sono measured bby at 13weeks. Duedate changed to 3/15. Y? 
 Sentence2: In my first sonogram at 7 weeks my due date is 3/22 and now at 13 weeks my due date is 3/15. Which is correct?

A: Similar
****
Q: Sentence1: Late menstrual period after bad carwreck? 
 Sentence2: I am late for my period. Can I be pregnant?

A:
Dissimilar
****
