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: bruce halford
Table Content:
| year | entrant | chassis | engine | points |
| --- | --- | --- | --- | --- |
| 1956 | bruce halford | maserati 250f | maserati straight - 6 | 0 |
| 1957 | bruce halford | maserati 250f | maserati straight - 6 | 0 |
| 1959 | john fisher | lotus 16 | climax straight - 4 | 0 |
| 1960 | fred tuck cars | cooper t45 | climax straight - 4 | 0 |
| 1960 | yeoman credit racing team | cooper t51 | climax straight - 4 | 0 |


Statement
climax straight - 4 have lotus 16 , cooper t45 , and cooper t51 chassis


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