Categorize the following tasks as either classification or generation.
• Classifying emails as spam or not spam
• Generating a summary of a review
• Classifying emails as spam or not spam (Classification)
• Generating a summary of a review (Generation)
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Categorize the following tasks as either classification or generation.

### Response:
• Classifying emails as spam or not spam (Classification)
• Generating a summary of a review (Generation)