Premise:
"Should Mike Wallace be pissed off?"
Hypothesis: Mike Wallace is justified in his anger.

it is not possible to tell

Premise:
"Prospect adds that the best sociological research is coming from independent think tanks and corporations, not from universities."
Hypothesis: The best research in the sociological field doesn't from universities.

yes

Premise:
"It must have been done since yesterday, otherwise a good housemaid would have at once removed it with blotting-paper and a hot iron. "
Hypothesis: It was done as week ago.
no