Final answer:
An example of overlap in the hospitality and tourism industry is a hotel that has an onsite restaurant and/or offers room service.
Step-by-step explanation:
Overlap within the hospitality and tourism industry can be illustrated through scenarios like hotels incorporating onsite restaurants and providing room service, as denoted by option A. In the case of a hotel featuring an onsite restaurant, guests are afforded a convenient dining option within the premises. Simultaneously, the provision of room service enables guests to relish meals in the privacy and comfort of their rooms. This convergence is evident due to the interconnected nature of these services, both contributing to the accommodation experience and elevating overall guest satisfaction.