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: list of tallest structures in the world
Table Content:
| continent | structure | height | year | country |
| --- | --- | --- | --- | --- |
| asia | burj khalifa | - | 2009 | united arab emirates |
| africa | omega transmitter chabrier | - | 1976 | rãunion (france) |
| north america | kvly - tv mast | - | 1963 | united states |
| south america | omega tower trelew | - | 1971 | argentina |
| europe | warsaw radio mast | - | 1974 | poland |
| oceania | vlf transmitter lualualei | - | 1972 | united states (hawaii) |


Statement
the omega transmitter chabrier be on the continent of africa be be build before 2009


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