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:
| date | visitor | score | home | attendance | record | points |
| december 3 | detroit | 1 - 2 | pittsburgh | 4116 | 7 - 10 - 5 | 19 |
| december 6 | pittsburgh | 0 - 5 | toronto | 16449 | 7 - 11 - 5 | 19 |
| december 7 | toronto | 2 - 3 | pittsburgh | 7310 | 8 - 11 - 5 | 21 |
| december 10 | pittsburgh | 2 - 0 | los angeles | 5366 | 9 - 11 - 5 | 23 |
| december 12 | pittsburgh | 1 - 4 | oakland | 4760 | 9 - 12 - 5 | 23 |
| december 14 | pittsburgh | 1 - 2 | boston | 14831 | 9 - 13 - 5 | 23 |
| december 17 | montreal | 5 - 2 | pittsburgh | 6381 | 9 - 14 - 5 | 23 |
| december 20 | boston | 6 - 4 | pittsburgh | 7858 | 9 - 15 - 5 | 23 |
| december 21 | pittsburgh | 0 - 4 | philadelphia | 12423 | 9 - 16 - 5 | 23 |
| december 26 | pittsburgh | 3 - 2 | ny rangers | 17250 | 10 - 16 - 5 | 25 |
| december 27 | chicago | 3 - 0 | pittsburgh | 8746 | 10 - 17 - 5 | 25 |
| december 31 | montreal | 2 - 4 | pittsburgh | 5202 | 11 - 17 - 5 | 27 |
Title:
none
Statement:
boston was a visitor on december 20 with pittsburgh as the home team
Answer:
supported