Laelle Airlines, an International Airlines Company, Has a Service Offering

Laelle Airlines, an international airlines company, has a service offering that includes a core service supported by supplementary services. Given this information, which of the following is most likely to be the core service provided by Laelle Airlines?

A) Providing plush seats with comfortable legroom for its passengers
B) Offering three-course meals for its passengers
C) Providing personalized toiletries including wet towels and sleep masks for all passengers
D) Offering souvenirs to all passengers after their travel