Task: Text Matching
Input (English): Sentence1: What can cause upper left sharp pain that radiates to back with vomiting/paleness/weakness? This has gone on for 5 years. 
 Sentence2: I have vomiting, paleness and weakness and has upper left sharp pain that radiated to the upper back. It has been going on for 5 years. Can you help me? 
Output (English): Similar