The conversation between human and AI assistant.
[|Human|] List all the names of the underground lines in london, in alphabetical order
[|AI|] 1. Bakerloo
2. Central
3. Circle
4. District
5. Hammersmit and City  
6. Jubilee
7. London overground
8. Metropolitan
9. Northern
10. Piccadilly
11. Victoria
12. Waterloo and City
[|Human|] 
List all the names of the underground lines in london, in alphabetical order