<human>: Does the sentence "On 5 June 2008, Secretary of Defense Robert Gates, accepted the resignations of both the Secretary of the Air Force, Michael Wynne, and the Chief of Staff of the United States Air Force, General T. Michael Moseley." provide a valid answer to the question "What US Chief of Staff of the US Air Force also resigned in June of 2008?"
OPTIONS:
- yes
- no
<bot>: yes