Task: Question Answering
Input (English): Problem: triangle xyz is an isosceles right triangle . if side xy is longer than side yz , and the area of the triangle is 49 , what is the measure of side xy ? 
Options: ['a ) 4', 'b ) 4 √ 2', 'c ) 14', 'd ) 8 √ 2', 'e ) can not be determined from the information provided']
Output (English): c