Task: Question Answering
Input (English): Problem: george went to a fruit market with certain amount of money. with this money he can buy either 40 oranges or 40 mangoes. he retains 10 % of the money for taxi fare and buys 20 mangoes. how many oranges can he buy ?
Options: a. 25, b. 30, c. 20, d. 16, e. 12
Output (English): a