A bus line is an example of a public what?
Options:
- electromagnetic spectrum
- difnner
- stanza
- add information on spreadsheet
- transportation system Let's think step by step:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Transportation system is a system for moving persons or goods consisting of three components, the vehicle is what moves objects or traffic, the guideway is what the vehicles move along and the operations plan is the set of procedures by which traffic and vehicles are moved over the guideway. A bus line is an example of a public transportation system. So, the answer is transportation system.