Task: Text Matching
Input (English): Sentence1: Can gabapentin work for headaches caused by trimethoprim. I have started taking 100mg gabapentin daily for 4 days and trimethoprim 200mg twice a day. 
 Sentence2: Can antibiotics like Trimethoprim and Gabapentin taken together cause any major side effects?I am taking the Gabapentin for headaches.
Output (English): Dissimilar