Task: Text Matching
Input (English): Sentence1: I have been on klonopin (clonazepam) for my gad for about 4 years, 2mg a day. How long will the withdrawals last? Or when is it out of my system? 
 Sentence2: Hello doctor, I am diagnosed with GAD and was given Klonopin an I have been on the medication for few months. Now, the medication is not helping and my doctor wants to change me to celexa. Can I know about the side effects and efficacy of each? Which medication do you think is better?
Output (English): Dissimilar