Analyze the given example sentence and determine if the verb is active or passive.
The cat was chased by the dog.
In the given sentence, "The cat was chased by the dog," the verb is in the passive voice.
Complete the following task based on the instruction and optional input provided.### Instruction:
Analyze the given example sentence and determine if the verb is active or passive.

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

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