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 sidewalk next to a house having a crack in it and having vegetation growing from it is considered? (A) insects (B) weathering (C) erosion (D) lava
answer:
B


question:
If I wanted to make something move faster I could (A) slow it down (B) stomp on it (C) stop it (D) roll it
answer:
D


question:
What do bees convert nectar into? (A) different types of corn syrup (B) rather large rock formations (C) bees of different sizes (D) sweet stuff sold in grocery stores
answer:

D