Premise:
"By doing so, we also hope to demonstrate to other federal agencies that they can make similar improvements in the way they manage their people."
Hypothesis: They hope to demonstrate to other large coroporations

it is not possible to tell

Premise:
"High specificity is also desirable to help ensure that positive tests represent real problems."
Hypothesis: Ensuring that positive test results represent real problems can be helped by ensuring high specificity.

yes

Premise:
"Grandpa?"
Hypothesis: Grandma?
no