Task: Question Answering
Input (English): Problem: if a: b: : 3: 7, then what is ( 5 a + 2 b.: ( a - 2 b. ?
Options: a. 57: 11, b. - 57: 11, c. 11: 10, d. - 29: 11, e. - 1: 10
Output (English): d