Task: Question Answering
Input (English): Problem: the average weight of a, b and c is 45 kg. if the average weight of a and b be 40 kg and that of b and c be 47 kg, then the weight of b is :
Options: a. 39 kg, b. 32 kg, c. 33 kg, d. 34 kg, e. none of these
Output (English): a