You are provided with a sentence. Generate a question that can be asked about the sentence.
He walked around the garden and admired the beautiful flowers.
What did he do while he was walking around the garden?
Complete the following task based on the instruction and optional input provided.### Instruction:
You are provided with a sentence. Generate a question that can be asked about the sentence.

### Input:
He walked around the garden and admired the beautiful flowers.

### Output:
What did he do while he was walking around the garden?