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 | decision | series |
| april 7 | calgary | 3 - 5 | vancouver | cloutier | 1 - 0 |
| april 9 | calgary | 2 - 1 | vancouver | kiprusoff | 1 - 1 |
| april 11 | vancouver | 2 - 1 | calgary | hedberg | 2 - 1 |
| april 13 | vancouver | 0 - 4 | calgary | kiprusoff | 2 - 2 |
| april 15 | calgary | 2 - 1 | vancouver | kiprusoff | 3 - 2 |
| april 17 | vancouver | 5 - 4 | calgary | auld | 3 - 3 |
| april 19 | calgary | 2 - 1 | vancouver | kiprusoff | 4 - 3 |
Title:
none
Statement:
the visitor that has a series of 2 - 1 on april 13 is vancouver
Answer:
refuted