Task: Question Answering
Input (English): Problem: a jar full of whisky contains 40 % alcohol. a part of this whisky is replaced by another containg 17 % alcohol and now the percentage of alcohol was found to be 26 %. what quantity of whisky is replaced ?
Options: a. 1 / 3, b. 2 / 3, c. 2 / 5, d. 3 / 5, e. 4 / 5
Output (English): c