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 | ship | nationality | tonnage | fate |
| 16 may 1941 | llangibby castle | great britain | 11951 | damaged |
| 13 april 1942 | empire progress | great britain | 5249 | sunk |
| 30 april 1942 | ashkhabad | soviet union | 5284 | sunk |
| 2 may 1942 | uss cythera | usa | 602 | sunk |
| 2 november 1942 | dalcroy | great britain | 4558 | sunk |
| 2 november 1942 | empire antelope | great britain | 4945 | sunk |
| 2 november 1942 | empire leopard | great britain | 5676 | sunk |
| 2 november 1942 | empire sunrise | great britain | 7459 | damaged |
| 2 november 1942 | rinos | greece | 4649 | sunk |
| 7 february 1942 | afrika | great britain | 8597 | sunk |
| 7 february 1942 | daghild | norway | 9272 | damaged |
| 7 february 1942 | henry r mallory | usa | 6063 | sunk |
| 7 february 1942 | kalliopi | greece | 4695 | sunk |
| 7 february 1942 | robert e hopkins | great britain | 6625 | sunk |
| 7 february 1942 | toward | great britain | 1571 | sunk |
| 8 february 1942 | newton ash | great britain | 1571 | sunk |
| 11 may 1943 | antigone | great britain | 4545 | sunk |
| 11 may 1943 | grado | norway | 3082 | sunk |
Title:
german submarine u - 402
Statement:
out of 18 ships , 15 of which have sunk in the span of 2 years
Answer:
supported