Give you a statement and table with its title, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a ternary classification problem, you should choose the answer among supported, refuted and neutral. Table cells in one row are seperated by '|', and different rows are seperated by '
'. If cell value is a list, we use '	' to seperate each list element.

Table:
| Nickname(s) | "Chaos" (callsign)	"Warrior Monk"	"Mad Dog" |
| Years of service | 1969-2013 |
| Commands | U.S. Central Command	U.S. Joint Forces Command	Supreme Allied Commander Transformation	I Marine Expeditionary Force	U.S. Marine Forces Central Command	Marine Corps Combat Development Command	1st Marine Division	1st Marine Expeditionary Brigade	7th Marine Regiment	1st Battalion, 7th Marines |
| Battles/wars | Persian Gulf War	War in Afghanistan	Iraq War	Invasion of Iraq	First Battle of Fallujah	Second Battle of Fallujah |
Title:
Jim Mattis
Statement:
Jim Mattis was the head of the Joint Chiefs of Staff.
Answer:
refuted