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: fieldbus
Table Content:
| fieldbus | bus power | cabling redundancy | synchronisation | sub millisecond cycle |
| --- | --- | --- | --- | --- |
| afdx | no | yes | no | unknown |
| as - interface | yes | no | no | no |
| canopen | no | no | yes | no |
| componet | yes | no | no | yes |
| controlnet | no | yes | no | no |
| cc - link | no | no | no | no |
| devicenet | yes | no | no | no |
| ethercat | no | yes | yes | yes |
| ethernet powerlink | no | optional | yes | yes |
| ethernet / ip | no | optional | yes | no |
| interbus | no | no | no | no |
| lonworks | no | no | no | no |
| modbus | no | no | no | no |
| profibus dp | no | optional | yes | no |
| profibus pa | yes | no | no | no |
| profinet io | no | optional | no | no |
| profinet irt | no | optional | yes | yes |
| sercos iii | no | yes | yes | yes |
| sercos interface | no | no | yes | yes |
| foundation fieldbus h1 | yes | no | yes | no |
| foundation fieldbus hse | no | yes | yes | no |
| rapienet | no | yes | under development | conditional |
| fieldbus | bus power | cabling redundancy | synchronisation | sub millisecond cycle |


Statement
rapienet be 1 of the 2 fieldbus with a 'conditional' sub - millisecond cycle


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