Premise:
"Resurrect all the Presidents."
Hypothesis: Bring back all the Mexican Presidents.

it is not possible to tell

Premise:
"Negotiations with the powerful postal unions begin in August, with contracts due to expire in November."
Hypothesis: The negotiations are going well.

it is not possible to tell

Premise:
"The longer the time period you choose, the more individual visitors you can claim, which is nice."
Hypothesis: The longer the time period, the more individual visitors you can claim.
yes