Task: Text Matching
Input (English): Sentence1: I was taking tamazepam 30mg for sleep and it  barely worked,  they have now switched me to ambien which does not work for me at all.  For years i took? 
 Sentence2: I had sleep issues and was prescribed tamazepam 30mg and then switched to ambien recently. I am having nausea and dizziness. Is this normal? 
Output (English): Dissimilar