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:
| place | rider | country | machine | speed | time | points |
| 1 | tony jefferies | united kingdom | yamsel | 89.81 mph | 2:05.48.6 | 15 |
| 2 | gordon pantall | united kingdom | yamaha | 89.55 mph | 2:06.25.0 | 12 |
| 3 | bill smith | united kingdom | honda | 89.81 mph | 2:07.40.8 | 10 |
| 4 | john williams | united kingdom | ajs | 88.94 mph | 2:07.17.0 | 8 |
| 5 | mick chatterton | united kingdom | yamaha | 87.38 mph | 2:09.33.6 | 6 |
| 6 | gerry mateer | united kingdom | aermacchi | 87.18 mph | 2:09.51.8 | 5 |
| 7 | mick grant | united kingdom | yamaha | 86.50 mph | 2:28.30.6 | 4 |
| 8 | billy guthrie | united kingdom | yamaha | 86.31 mph | 2:11.09.0 | 3 |
| 9 | gã¼nter bartusch | east germany | mz | 86.15 mph | 2:11.24.2 | 2 |
| 10 | peter berwick | united kingdom | suzuki | 85.90 mph | 2:11.47.2 | 1 |
Title:
1971 isle of man tt
Statement:
riders with yamaha machines came in 1st , 2nd , and 3rd place
Answer:
refuted