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: 2010 atlantic coast conference football season
Table Content:
| team | head coach | years at school | overall record | record at school | acc record |
| --- | --- | --- | --- | --- | --- |
| boston college | frank spaziani | 3 | 9 - 5 | 9 - 5 | 5 - 3 |
| clemson | dabo swinney | 3 | 13 - 8 | 13 - 8 | 9 - 4 |
| duke | david cutcliffe | 3 | 53 - 44 | 9 - 15 | 4 - 12 |
| florida state | jimbo fisher | 1 | 1 - 0 | 1 - 0 | 0 - 0 |
| georgia tech | paul johnson | 3 | 126 - 46 | 20 - 7 | 12 - 4 |
| maryland | ralph friedgen | 10 | 66 - 46 | 66 - 46 | 38 - 34 |
| miami | randy shannon | 4 | 21 - 17 | 21 - 17 | 11 - 13 |
| north carolina | butch davis | 4 | 71 - 38 | 20 - 18 | 11 - 13 |
| nc state | tom o'brien | 4 | 91 - 66 | 16 - 21 | 9 - 15 |
| virginia | mike london | 1 | 24 - 5 | 0 - 0 | 0 - 0 |
| virginia tech | frank beamer | 24 | 229 - 115 - 4 | 187 - 92 - 2 | 38 - 10 |


Statement
tom o'brien who have 3 year at school of nc state have a record of 16 - 21 with acc record 11 - 13


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