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: none
Table Content:
| model | graded hammer (non gh3) | graded hammer three (gh3) | natural wood keyboard | synthetic ivory keytops |
| --- | --- | --- | --- | --- |
| clp230 | no | yes | no | no |
| clp265 gp | no | yes | no | no |
| clp295 gp | no | yes | yes | no |
| clps306 | no | yes | no | yes |
| clps308 | no | yes | yes | yes |
| clp320 | yes | no | no | no |
| clp330 | no | yes | no | no |
| clp340 | no | yes | no | yes |
| clp370 | no | yes | yes | yes |
| clp380 | no | yes | yes | yes |
| clp480 | no | yes | yes | yes |
| cvp409 gp | no | yes | yes | yes |
| cvp501 | yes | no | no | no |
| cvp503 | no | yes | no | yes |
| cvp505 | no | yes | no | yes |
| cvp509 | no | yes | yes | yes |
| cgp1000 | no | yes | yes | yes |


Statement
the keyboard model clps306 be not a natural wood product


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