instruction:
In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").
question:
The cultivation of a range of crop types in a specific order has a positive impact on (A) soil quality (B) water quality (C) air quality (D) atmospheric conditions
answer:
A


question:
Rubber can protect from (A) cold (B) burns (C) electricity (D) fire
answer:
C


question:
Who is most likely to die of old age? (A) adults (B) children (C) infants (D) reasonable high-school students
answer:

A