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:
Teak can be found in (A) glacier sheets (B) blue songs (C) groves (D) underwater trenches
answer:
C


question:
heat and pressure change the remains of what into natural gas? (A) leaves (B) cans (C) books (D) cars
answer:
A


question:
Just below the Earth's crust is something that sounds like it should be over a (A) window (B) house (C) door (D) fireplace
answer:

D