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:
| school | city | team name | enrollment 08 - 09 | ihsaa class | ihsaa class football | county | year joined |
| benton central | oxford | bisons | 612 | aaa | aaa | 04 benton | 1968 |
| delphi community | delphi | oracles | 515 | aa | aa | 08 carroll | 1998 |
| central catholic | lafayette | knights | 220 | a | aa | 79 tippecanoe | 2011 |
| rensselaer central | rensselaer | bombers | 599 | aaa | aa | 37 jasper | 1998 |
| tipton | tipton | blue devils | 549 | aa | aa | 80 tipton | 2000 |
| twin lakes | monticello | indians | 805 | aaa | aaa | 91 white | 1974 |
| west lafayette | west lafayette | red devils | 672 | aaa | aaa | 79 tippecanoe | 1947 |
Title:
hoosier athletic conference
Statement:
the ihsaa class for football for the team joining in 1968 is aa
Answer:
refuted