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:
| name | built by hm dockyard | ordered | laid down | launched |
| alacrity | deptford | 13 june 1817 | october 1817 | 29 december 1818 |
| ariel | deptford | 13 june 1817 | february 1819 | 28 july 1820 |
| barracouta | woolwich | 13 june 1817 | june 1818 | 13 may 1820 |
| beagle (darwin 's beagle) | woolwich | 13 june 1817 | june 1818 | 11 may 1820 |
| bustard | chatham | 13 june 1817 | november 1817 | 12 december 1818 |
| brisk | chatham | 13 june 1817 | november 1817 | 10 february 1819 |
| delight | portsmouth | 13 june 1817 | november 1817 | 10 may 1819 |
| cygnet | portsmouth | 13 june 1817 | november 1817 | 11 may 1819 |
| eclipse | plymouth | 13 june 1817 | march 1818 | 23 july 1819 |
| emulous (2nd of name) | plymouth | 13 june 1817 | june 1818 | 16 december 1819 |
| falcon | pembroke | 13 june 1817 | may 1818 | 10 june 1820 |
| frolic | pembroke | 13 june 1817 | august 1818 | 10 june 1820 |
| lyra (2nd of name) | plymouth | 2 november 1818 | march 1819 | 1 june 1821 |
| jasper (2nd of name) | portsmouth | 2 november 1818 | may 1819 | 26 july 1820 |
| britomart (2nd of name) | portsmouth | 2 november 1818 | june 1819 | 24 august 1820 |
| partridge | plymouth | 2 november 1818 | december 1819 | 22 march 1822 |
| reynard (2nd of name) | pembroke | 2 november 1818 | may 1820 | 26 october 1821 |
| weazle | chatham | 2 november 1818 | may 1820 | 26 march 1822 |
| kingfisher | woolwich | 2 november 1818 | december 1820 | 11 march 1823 |
| procris | chatham | 2 november 1818 | march 1821 | 21 june 1822 |
| algerine | deptford | 2 november 1818 | april 1821 | 10 june 1823 |
| magnet | woolwich | 2 november 1818 | june 1821 | 13 march 1823 |
| halcyon | woolwich | 2 november 1818 | unknown | cancelled 21 february 1831 |
| zephyr | pembroke | 2 november 1818 | november 1821 | 1 november 1823 |
| opossum (2nd of name) | sheerness | 2 november 1818 | november 1819 | 11 december 1821 |
| onyx (2nd of name) | sheerness | 2 november 1818 | november 1819 | 24 january 1822 |
| plover | portsmouth | 23 may 1820 | august 1820 | 30 june 1821 |
| ferret | portsmouth | 23 may 1820 | august 1820 | 12 october 1821 |
| hope (2nd of name) | plymouth | 23 may 1820 | march 1822 | 8 december 1824 |
| mutine | plymouth | 23 may 1820 | april 1822 | 19 may 1825 |
| forester | deptford | 23 may 1820 | unknown | re - ordered at chatham 23 may 1826 |
| griffon | deptford | 23 may 1820 | unknown | re - ordered at chatham 23 may 1826 |
| tyrian (2nd of name) | woolwich | 6 january 1821 | april 1823 | 16 september 1826 |
| philomel | portsmouth | 19 april 1821 | june 1821 | 28 april 1823 |
| royalist | portsmouth | 19 april 1821 | august 1821 | 12 may 1823 |
Title:
cherokee - class brig - sloop
Statement:
the griffon was launched from portsmouth on 19 april 1821
Answer:
refuted