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: bobby riggs
Table Content:
| outcome | year | pro slam championship | surface | opponent in the final | score in the final |
| --- | --- | --- | --- | --- | --- |
| runner - up | 1942 | us pro | grass | don budge | 2 - 6 , 2 - 6 , 2 - 6 |
| winner | 1946 | us pro | grass | don budge | 6 - 3 , 6 - 1 , 6 - 1 |
| winner | 1947 | us pro | grass | don budge | 3 - 6 , 6 - 3 , 10 - 8 , 4 - 6 , 6 - 3 |
| runner - up | 1948 | us pro | grass | jack kramer | 12 - 14 , 2 - 6 , 6 - 3 , 3 - 6 |
| runner - up | 1949 | wembley pro | indoor | jack kramer | 6 - 2 , 4 - 6 , 3 - 6 , 4 - 6 |
| winner | 1949 | us pro | grass | don budge | 9 - 7 , 3 - 6 , 6 - 3 , 7 - 5 |


Statement
the only game that be play on an indoor surface be play before 1946


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