Jim Mattis
Table:
Jim Mattis

In office
November 9, 2007 – August 11, 2010
President

George W. Bush
Barack Obama

Preceded by	Lance L. Smith
Succeeded by	Raymond T. Odierno

Consulting the table, identify if the claim is entailed, neutral, or refuted. Return the result as JSON: {"answer": "YOUR ANSWER"}.

Sentence: Jim Mattis worked for only one Presidents.

answer: refuted