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: wwa world junior light heavyweight championship
Table Content:
| wrestler | reign | days held | location | event |
| --- | --- | --- | --- | --- |
| filoso | 1 | unknown | n / a | live event |
| osamu namiguchi | 1 | 7 | nagano , japan | live event |
| katsuhiko nakajima | 1 | 297 | hiroshima , japan | live event |
| tatsuhito takaiwa | 1 | 8 | tokyo , japan | live event |
| vacated | - | - | n / a | n / a |
| the★zest | 1 | 261 | yamagata , japan | live event |
| noiz | 1 | 2127 + | tokyo , japan | miracle rocket ~2nd impact~ |


Statement
osamu namiguchi be the only wrestler from nagano , japan


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