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: prr locomotive classification
Table Content:
| prr class | builders model | build date | total produced | wheel arrangement | service | power output |
| --- | --- | --- | --- | --- | --- | --- |
| fs10 | h10 - 44 | 1948 - 1949 | 55 | b - b | switcher | nan |
| fs12 | h12 - 44 | 1952 - 1954 | 16 | b - b | switcher | nan |
| ff20 | t erie buil | 1947 - 1948 | 36 | a1a - a1a | freight | nan |
| ff20 | erie built | 1947 - 1948 | 12 | a1a - a1a | freight | nan |
| ff16 | cf - 16 - 4 | 1950 | 16 | b - b | freight | nan |
| ff16 | cf - 16 - 4 | 1950 | 8 | b - b | freight | nan |
| frs - 16 | h16 - 44 | 1952 | 10 | b - b | freight | nan |
| frs - 20 | h20 - 44 | 1948 - 1951 | 38 | b - b | freight | nan |
| frs - 24 | h24 - 66 | 1948 - 1951 | 38 | c - c | freight | nan |


Statement
the wheel arrangement of the h20 - 44 when there be a total of 66 produce be b - b


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