Task: Text Matching
Input (English): Sentence1: 3wks postop GB removal.very nauseous, pain, and headache.getting an ultrasound tomorrow to check for fluids.could this be the cause? 
 Sentence2: My brother is experiencing nausea, headache and pain a month after his gall bladder was removed. I googled and read that some fluid collection around the operated site could cause similar symptoms. Is this true and will an ultrasound help detect it?
Output (English): Similar