user
Instruction
This is a table fact verification task. The goal of this task is to distinguish whether the given statement is entailed or refuted by the given table.


Table
Table Title: salyut 6
Table Content:
| expedition | crew | launch date | flight up | landing date | flight down | duration (days) |
| --- | --- | --- | --- | --- | --- | --- |
| salyut 6 - eo - 1 | yuri romanenko , georgi grechko | 10 december 1977 01:18:40 | soyuz 26 | 16 march 1978 11:18:47 | soyuz 27 | 96.42 |
| salyut 6 - ep - 1 | vladimir dzhanibekov , oleg makarov | 10 january 1978 12:26:00 | soyuz 27 | 16 january 1978 11:24:58 | soyuz 26 | 5.96 |
| salyut 6 - ep - 2 | aleksei gubarev , vladimír remek - czechoslovakia | 2 march 1978 15:28:00 | soyuz 28 | 10 march 1978 13:44:00 | soyuz 28 | 7.93 |
| salyut 6 - eo - 2 | vladimir kovalyonok , aleksandr ivanchenkov | 15 june 1978 20:16:45 | soyuz 29 | 2 november 1978 11:04:17 | soyuz 31 | 139.62 |
| salyut 6 - ep - 3 | pyotr klimuk , miroslaw hermaszewski - poland | 27 june 1978 15:27:21 | soyuz 30 | 5 july 1978 13:30:20 | soyuz 30 | 7.92 |
| salyut 6 - eo - 3 | vladimir lyakhov , valery ryumin | 25 february 1979 11:53:49 | soyuz 32 | 19 august 1979 12:29:26 | soyuz 34 | 175.02 |
| salyut 6 - eo - 4 | leonid popov , valery ryumin | 9 april 1980 13:38:22 | soyuz 35 | 11 october 1980 09:49:57 | soyuz 37 | 184.84 |
| salyut 6 - ep - 5 | valery kubasov , bertalan farkas - hungary | 26 may 1980 18:20:39 | soyuz 36 | 3 june 1980 15:06:23 | soyuz 35 | 7.87 |
| salyut 6 - ep - 6 | yuri malyshev , vladimir aksyonov | 5 june 1980 14:19:30 | soyuz t - 2 | 9 june 1980 12:39:00 | soyuz t - 2 | 3.93 |
| salyut 6 - ep - 7 | viktor gorbatko , pham tuan - vietnam | 23 july 1980 18:33:03 | soyuz 37 | 31 july 1980 15:15:02 | soyuz 36 | 7.86 |
| salyut 6 - ep - 8 | yuri romanenko , arnaldo tamayo méndez - cuba | 18 september 1980 19:11:03 | soyuz 38 | 26 september 1980 15:54:27 | soyuz 38 | 7.86 |
| salyut 6 - eo - 5 | leonid kizim , oleg makarov gennady strekalov | 27 november 1980 14:18:28 | soyuz t - 3 | 10 december 1980 09:26:10 | soyuz t - 3 | 12.8 |
| salyut 6 - eo - 6 | vladimir kovalyonok , viktor savinykh | 12 march 1981 19:00:11 | soyuz t - 4 | 26 may 1981 12:37:34 | soyuz t - 4 | 74.73 |


Statement
the longest expedition after 5 june 1980 be expedition soyuz 28 with a duration of 7.93 day


Answer Format
The final answer should be either "entailed" or "refuted" and use the following format:
```json
{
    "answer": "entailed" or "refuted"
}
```
rule
["refuted"]