The answer is argument. :)
Answer: Customer
Explanation: In the given case, Samantha would be considered as a customer and not a consumer.
Customers refers to that party in a transaction that gives money for receiving the commodity from the other party. Similarly Samantha is buying the gloves for her father and not gonna use it for herself that's why she will be considered as customer.
If she was going to use those gloves by herself then she will be a consumer.
Well I think the answer would be a, hope it is right
D prepare you for emergency situations and help you avoid collisions