You are given a sentence and a question. You're expected to write the correct answer based on the sentence.

[Q]: Sentence: A black hole is smaller in size than the sun. Question: Which will have the strongest gravity?
[A]: Black hole

[Q]: Sentence: Two bunnies, a white one and a black one, are hopping along together. The black bunny goes further than the white one. Question: Which bunny is faster?
[A]: black bunny

[Q]: Sentence: Greg and Hank each plan a cross country journey. Greg takes a car. Hank wants to walk cross country. Question: Who crosses the country first?
[A]:
Greg