Task: Text Matching
Input (English): Sentence1: My Patella is tender to touch, and hurts and pops when the knee is bent. There isn't any noticeable swelling. But there is pressure around patella. 
 Sentence2: I think I have chondromalacia patella because my patella has been tender for last few months. I drive my car for very long in a day and it hurts when I reach home in the evening. I can also hear a pop when I bend my knee and it hurts but there is no swelling of knee. Do you think I need a surgery or will it get worse? Is it reversible?
Output (English): Dissimilar