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 buildings in portland , oregon
Table Content:
| name | street address | years as tallest | height feet / m | floors |
| --- | --- | --- | --- | --- |
| wells fargo building | 309 sw 6th avenue | 1907 - 1911 | 185 / 56 | 12 |
| yeon building | 522 sw 5th avenue | 1911 - 1913 | 194 / 59 | 15 |
| american bank building | 621 sw morrison street | 1913 - 1927 | 207 / 63 | 15 |
| public service building | 920 sw sixth avenue | 1927 - 1962 | 220 / 67 | 16 |
| hilton portland hotel | 921 sw sixth avenue | 1963 - 1965 | 241 / 73 | 22 |
| harrison west condominium tower | 200 sw harrison | 1965 - 1969 | 256 / 78 | 25 |
| union bank of california tower | 707 sw washington street | 1969 - 1970 | 268 / 82 | 15 |
| standard insurance center | 900 sw fifth avenue | 1970 - 1972 | 367 / 112 | 27 |
| wells fargo center | 1300 sw 5th avenue | 1972 - present | 546 / 166 | 41 |


Statement
the building which hold the title of tallest for the longest period of time be the union bank of california tower


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