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: united states army air forces
Table Content:
| type of unit | type of aircraft | number of aircraft | number of crews | men per crew | total personnel | officers | enlisted |
| --- | --- | --- | --- | --- | --- | --- | --- |
| very heavy bombardment group | b - 29 | 45 | 60 | 11 | 2078 | 462 | 1816 |
| heavy bombardment group | b - 17 , b - 24 | 72 | 96 | 9 to 11 | 2261 | 465 | 1796 |
| medium bombardment group | b - 25 , b - 26 | 96 | 96 | 5 or 6 | 1759 | 393 | 1386 |
| light bombardment group | a - 20 , a - 26 | 96 | 96 | 3 or 4 | 1304 | 211 | 1093 |
| single - engine fighter group | p - 40 , p - 47 p - 51 | 111 to 126 | 108 to 126 | 1 | 994 | 183 | 811 |
| twin - engine fighter group | p - 38 | 111 to 126 | 108 to 126 | 1 | 1081 | 183 | 838 |
| troop carrier group | c - 47 | 80 - 110 | 128 | 4 or 5 | 1837 | 514 | 1323 |
| combat cargo group | c - 46 , c - 47 | 125 | 150 | 4 | 883 | 350 | 533 |
| night fighter squadron | p - 61 , p - 70 | 18 | 16 | 2 or 3 | 288 | 50 | 238 |
| tactical reconnaissance squadron | f - 6 , p - 40 l - 4 , l - 5 | 27 | 23 | 1 | 233 | 39 | 194 |
| photo reconnaissance squadron | f - 5 | 24 | 21 | 1 | 347 | 50 | 297 |


Statement
the number of crew be 108 to 126 for unit type single - engine fighter group and twin - engine fighter group


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