The conversation between human and AI assistant.
[|Human|] Write 3 alternatives of transportation.
[|AI|] 1. Public transportation - buses, trains, subways, and trams.
2. Personal vehicle - cars, motorbikes, bicycles, and scooters. 
3. Ride-sharing services and taxis - Uber, Lyft, and traditional taxi services.
[|Human|] 
Write 3 alternatives of transportation.