Final answer:
In modern transportation, a cruise ship, a tour bus, and an airplane are considered carriers due to their capacity for mass transport, whereas a (Option 4)gondola is primarily for tourism and not mass transport.
Step-by-step explanation:
The gondola is not typically considered a carrier in the context of modern transportation. When discussing carriers in terms of transporting large numbers of passengers or cargo, cruise ships, tour buses, and airplanes are commonly referenced. A gondola, often seen in Venice, Italy, is a traditional, flat-bottomed Venetian rowing boat, mainly used for the purpose of tourism and recreation, rather than the mass transport of passengers or goods.