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:
| episode | title | story | adapted by | director | airdate | exists |
| 401 | taste of evil | john wiles | n / a | michael ferguson | 21 april 1971 | no |
| 402 | to lay a ghost | michael j bird | n / a | ken hannam | 28 april 1971 | yes |
| 403 | this body is mine | john tully | n / a | eric hills | 5 may 1971 | yes |
| 404 | deathday | angus hall | brian hayles | raymond menmuir | 12 may 1971 | yes |
| 405 | the sons and daughters of tomorrow | edward boyd | n / a | gerald blake | 19 may 1971 | no |
| 406 | welcome home | moris farhi | n / a | eric hills | 26 may 1971 | yes |
| 407 | the last witness | martin worth | n / a | michael ferguson | 2 june 1971 | no |
| 408 | the man in my head | john wiles | n / a | peter cregeen | 9 june 1971 | yes |
| 409 | the chopper | nigel kneale | n / a | peter cregeen | 16 june 1971 | no |
| 410 | the uninvited | michael j bird | n / a | eric hills | 23 june 1971 | no |
| 411 | the shattered eye | david t chantler | n / a | peter hammond | 30 june 1971 | no |
Title:
list of out of the unknown episodes
Statement:
the title of the episode that martin worth wrote the story for was the chopper
Answer:
refuted