Final answer:
Failing to promptly provide a reasonable explanation for the denial of a claim is an example of unfair claim practice.
Step-by-step explanation:
Failing to promptly provide a reasonable explanation for the denial of a claim is an example of unfair claim practice. This refers to the unfair treatment or practices by an insurance company when handling claims. It is important for insurance companies to promptly and clearly communicate the reasons for claim denials to the insured party.