Task: Text Matching
Input (English): Sentence1: My gf had her period then after 2days. We had sex she took planb its been 2week already she hasnt had her period is it because she just had her period? 
 Sentence2: My girl friend has period and after 2 days she took plan B and it has been 2 weeks already and she did not have  period. May I know what is the cause? 
Output (English): Similar