Give you a statement and table with its title in Markdown format, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a binary classification problem, you should choose the answer between supported and refuted. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| type | name | title | royal house | from |
| sovereign | mentuhotep ii | pharaoh | eleventh dynasty | 2010 bc |
| sovereign | mentuhotep iv | pharaoh | eleventh dynasty | 1998 bc or 1997 bc |
| sovereign | amenemhat i | pharaoh | twelfth dynasty | 1991 bc |
| sovereign | senusret i | pharaoh | twelfth dynasty | 1971 bc |
| sovereign | amenemhat ii | pharaoh | twelfth dynasty | 1929 bc |
Title:
list of state leaders in the 20th century bc
Statement:
the type from 1991 bc is sovereign
Answer:
supported