Task: Text Matching
Input (English): Sentence1: Clicking sound comes and goes when heart beats. Upper left chest sharp pain and the pain goes through ribs to upper back left side. I'm 20 years old? 
 Sentence2: I'm 20 yrs old and have been noticing sharp pain on the upper left side of the chest, going through the ribs and upper back on left side. I also notice clicking sound that comes and goes when heart beats. 
Output (English): Similar