What was the question for this implicit rationale, and corresponding answer?
Sky is the region of upper air over the earth. Birds fly up in the air.
 The answer: sky
The question: The bird flies up in what?
Options:
- sky
- mountain
- forest
- nest
- roof
What was the question for this implicit rationale, and corresponding answer?
Sky is the region of upper air over the earth. Birds fly up in the air.
 The answer: sky
user
The question: The bird flies up in what?
Options:
- sky
- mountain
- forest
- nest
- roof
assistant
What was the question for this implicit rationale, and corresponding answer?
Sky is the region of upper air over the earth. Birds fly up in the air.
 The answer: sky
The question: The bird flies up in what?
Options:
- sky
- mountain
- forest
- nest
- roof