Distinguish the two events: Mr. Donald joined a theater group and Mr. Donald joined a theater performance.
The difference between the two events is that Mr. Donald joining a theater group implies that he has become a part of an ongoing community of thespians, while Mr. Donald joining a theater performance implies that he will be participating in an individual performance put on by the theater group.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Distinguish the two events: Mr. Donald joined a theater group and Mr. Donald joined a theater performance.

### Response:
The difference between the two events is that Mr. Donald joining a theater group implies that he has become a part of an ongoing community of thespians, while Mr. Donald joining a theater performance implies that he will be participating in an individual performance put on by the theater group.