Recognize whether the following phrase is in passive voice.
The ball was thrown by him
Yes, the phrase "The ball was thrown by him" is in passive voice.
Complete the following task based on the instruction and optional input provided.### Instruction:
Recognize whether the following phrase is in passive voice.

### Input:
The ball was thrown by him

### Output:
Yes, the phrase "The ball was thrown by him" is in passive voice.