Premise:
"I look forward to working with you on these issues."
Hypothesis: I will be happy to work on these issues with you.

yes

Premise:
"The Postal Service would be better off if it lowered selected rates and took back some of the lost volume."
Hypothesis: They wanted to see the Postal Service become stable.

it is not possible to tell

Premise:
"While you are in the Jura, take the time to trace the Loue river and its tributary, the Lison, back to their cascading sources through the landscapes that inspired so many of Courbet's paintings."
Hypothesis: Courbet's paintings were heavily influenced by the landscape of the Loue river.
yes