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:
If someone wants to use a natural gas in order to assist something necessary, they can (A) use it to bathe in (B) eat it to die quickly (C) freeze it to make ice cubes (D) ignite it to warm their body
answer:
D

question:
People can touch something to see if it's (A) shiny (B) red (C) striped (D) wrinkled
answer:
D

question:
A salamander is (A) extinct (B) bipedal (C) cold blooded (D) warm blooded
answer:
C