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").

A person thinks they see a UFO. They look closely, but the object becomes hard to see in the night sky as (A) gets closer to the person (B) buys a new house (C) builds a large park (D) it puts distance between them
D

You're most likely to encounter magma at (A) top of iceberg (B) a cloud (C) a space station (D) an island
D

Once the grounds frost over and the air grows chilled (A) beaches are opened (B) humans go naked (C) birds lay eggs (D) roses die

D