Task: Text Matching
Input (English): Sentence1: I've got stitch like pain and  bleeding/ uterus feels heavy. I've had mirena (levonorgestrel) for 8 weeks now. This pain has only been the last week,  is this normal? 
 Sentence2: My cycles have been always irregular and I am planning to get Mirena inserted. How effectively is it going to help and regularize my cycles?
Output (English): Dissimilar