A financial company is using ML to help with some of the company's tasks.

Generative AI models (such as large language models) are designed to generate new content, such as text, summaries, images, and more. Summarizing text—like customer complaints—is a classic application of generative AI.

A is correct:

"Text summarization is a core generative AI use case, as it involves generating new, concise content from a larger body of text."

(Reference: AWS Generative AI Use Cases)

B and C are standard ML classification/segmentation tasks.

D is a regression/prediction task, not generative.