Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.

Input: Consider Input: Problem: a rhombus has area 432 sq m, one diagonal is 36 cm. find other diagonal ?
Options: ['a. 2400 m', 'b. 2500 m', 'c. 2600 m', 'd. 2700 m', 'e. 2900 m']

Output: a


Input: Consider Input: Problem: if the simple interest on a certain amount in at 4 % rate 5 years amounted to rs. 2240 less than the principal. what was the principal ?
Options: a. 1500, b. 2500, c. 2507, d. 2800, e. 11500

Output: d


Input: Consider Input: Problem: a group of students decided to collect as many paise from each member of group as is the number of members. if the total collection amounts to rs. 98.01, the number of the member is the group is :
Options: a. 57, b. 67, c. 77, d. 99, e. 97


Output: d