Categorize this sentence as passive or active voice
The cat was chased by the dog.
The sentence "The cat was chased by the dog" is in passive voice.
Complete the following task based on the instruction and optional input provided.### Instruction:
Categorize this sentence as passive or active voice

### Input:
The cat was chased by the dog.

### Output:
The sentence "The cat was chased by the dog" is in passive voice.