Premise:
"Before, or after?""
Hypothesis: During what period?

it is not possible to tell

Premise:
"Our review indicates that the agencies, except as noted above, complied with the applicable requirements."
Hypothesis: Agencies complied with pertinent requirements.

yes

Premise:
"Montreuil is popular with British weekend visitors and makes a good base for trips into Picardy."
Hypothesis: Most British visitors go to Montreuil.
it is not possible to tell