Identify the sentence structure and output the appropriate label.
He answered the questions quickly.
The sentence structure is simple, with subject-verb-adverb order. It contains only one independent clause.

Label: Simple sentence.
Complete the following task based on the instruction and optional input provided.### Instruction:
Identify the sentence structure and output the appropriate label.

### Input:
He answered the questions quickly.

### Output:
The sentence structure is simple, with subject-verb-adverb order. It contains only one independent clause.

Label: Simple sentence.