Task: Question Answering
Input (English): Problem: heinz produces tomato puree by boiling tomato juice. the tomato puree has only 20 % water while the tomato juice has 90 % water. how many litres of tomato puree will be obtained from 20 litres of tomato juice ?
Options: a. 2 litres, b. 2.4 litres, c. 2.5 litres, d. 6 litres, e. 4 litres
Output (English): c