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:
You can work longer when (A) Autumn changes to Winter (B) spring changes to summer (C) tree leaves start falling (D) the first snow starts falling
answer:
B


question:
In the 60's people watched on TV while for the first time people walked on (A) a high rooftop in a major city (B) a satellite without much air in our solar system (C) the edge of a cliff in the mountains (D) a beach in Brazil
answer:
B


question:
A mother is six feet tall and the father is almost seven feet tall. When their son reaches maturation, he will likely (A) measure similarly (B) be very short (C) be invisible (D) be under weight
answer:

A