Give you a statement and table with its title in Markdown format, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a binary classification problem, you should choose the answer between supported and refuted. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| city | county | region | local authority | type | population | urban area | metropolitan area |
| birmingham | west midlands | west midlands | birmingham city council | metropolitan borough | 1073000 | 2284093 | 3683000 |
| bristol | bristol | south west england | bristol city council | unitary authority | 428200 | 587400 | 1041000 |
| leeds | west yorkshire | yorkshire and the humber | leeds city council | metropolitan borough | 751500 | 1499465 | 2302000 |
| liverpool | merseyside | north west england | liverpool city council | metropolitan borough | 466400 | 816216 | 2241000 |
| manchester | greater manchester | north west england | manchester city council | metropolitan borough | 503100 | 2240230 | 2556000 |
| newcastle | tyne and wear | north east england | newcastle city council | metropolitan borough | 280200 | 879996 | 1599000 |
| nottingham | nottinghamshire | east midlands | nottingham city council | unitary authority | 305700 | 666358 | 1543000 |
Title:
core cities group
Statement:
birmingham is a metropolitan borough
Answer:
supported