Task: Text Matching
Input (English): Sentence1: I took Plan B on Feb. 11th, 2015 after having unprotected sex two days before. Now tonight I had protected sex, but the condom broke. I am wondering if the Plan B is still effective 5 days later? And if not, is it safe to consume another Plan B pill? 
 Sentence2: I took Plan B on Feb 11th after unprotected sex and today night I have unprotected sex again and condom broke. Want to know if Plan B is effective and should I take another?
Output (English): Similar