Scanner Data Gathered from Various Supermarket Chains Were Merged with Data

Multiple Choice

Scanner data gathered from various supermarket chains were merged with data from the travel industry into one data warehouse.Suppose data mining is employed to answer
The following questions.Which is considered a classification problem?

A) Whether or not a customer is interested in eco-friendly travel products.
B) How much a customer spends annually on travel related products?
C) How much a customer spends annually on international specialty food items?
D) Both B and C