See the multi-choice question below:

Sentence 1: To describe agencies' expectations for senior executive performance, we used the categories prescribed by OPM's regulations-organizational results, customer satisfaction, and employee perspective.

Sentence 2: To describe the agency's expectations of executive performance, we used OPM's categories.

If the first sentence is true, then is the second sentence true?
Possible answers:
a). yes
b). it is not possible to tell
c). no
a).