Read the text and determine if the sentence is true (see options at the end):

The judge advocate general, the chief of the defence staff and the provost marshal are all members of the military; the members of the monitoring committee are friends of the minister; finally, the chairman of the grievance board will work in close co-operation with the chief of the defence staff.

Sentence: the chief of defense staff works at night
Choose from:
[I] Yes.
[II] It's impossible to say.
[III] No.
[II]