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:
| home team | home team score | away team | away team score | venue | crowd | date |
| richmond | 20.16 (136) | melbourne | 14.10 (94) | mcg | 31025 | 6 june 1981 |
| st kilda | 14.15 (99) | fitzroy | 7.17 (59) | moorabbin oval | 21672 | 6 june 1981 |
| hawthorn | 18.19 (127) | collingwood | 12.9 (81) | vfl park | 92935 | 6 june 1981 |
| footscray | 12.10 (82) | geelong | 17.15 (117) | western oval | 24974 | 8 june 1981 |
| carlton | 17.13 (115) | north melbourne | 11.18 (84) | princes park | 31808 | 8 june 1981 |
| south melbourne | 12.8 (80) | essendon | 15.18 (108) | lake oval | 28588 | 8 june 1981 |
Title:
1981 vfl season
Statement:
north melbourne 's team score for the 1981 vfl season was two times as high as south melbourne 's home team score
Answer:
refuted