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: international rankings of iran
Table Content:
| name | rank | out of | source | year |
| --- | --- | --- | --- | --- |
| environmental sustainability index | 132 | 146 | yale university | 2005 |
| greenhouse emissions per capita | 74 | world | world resources institute | 2000 |
| number of species under threat of extinction | 37 | 158 | united nations | 1999 |
| happy planet index | 81 | 178 | new economics foundation | 2009 |
| environmental performance index | 78 | 153 | yale university / columbia university | 2010 |
| total renewable water resources | 58 | 151 | cia world factbook | 2008 |
| water availability per capita | 116 | 141 | united nations | 2001 |
| biodiversity richness | 13 | 53 | world conservation monitoring centre | 1994 |
| carbon efficiency | 28 | 141 | carbon dioxide information analysis center | 2005 |
| coral reefs area | 19 | 28 | united nations | 2005 |
| endangered species protection | 71 | 141 | cites | 2000 |
| land use statistics by country | 16 | 176 | cia world factbook | 2005 |
| carbon dioxide emissions per capita | 70 | 210 | united nations | 2003 |
| total carbon dioxide emissions | 11 | 210 | united nations | 2006 |
| total forest area | 47 | 220 | united nations | 2007 |
| fresh water withdrawal | 11 | 168 | cia world factbook | 2000 |
| industrial water pollution | 14 | 129 | world bank | 2003 |


Statement
the source for the rank of 78 be yale university / columbia university


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