Premise:
"Tommy's eyes opened as he read: "Jane Finn found."
Hypothesis: Tommy saw that Jane Finn had been found.

yes

Premise:
"a massive turnout at last someone wants us to vote they were standing in lines to vote"
Hypothesis: The level of turnout set a new record.

it is not possible to tell

Premise:
"If you stay for dinner, you'll be able to inspect the restaurant's famous collection of paintings by Matisse, Derain, and Utrillo."
Hypothesis: You will not be able to see the paintings by Matisse if you stay for dinner at the restaurant.
no