Premise:
"Is there really a common sensibility that unites the inspirational homiletics of Nike's Just Do It and the remorseless irony of ABC's You can talk to your wife anytime campaign?"
Hypothesis: Do Nike and ABC realize that these two campaigns are vapid and useless?

it is not possible to tell

Premise:
"This time I was received with a smile. "
Hypothesis: Unlike last time, I was received with joy.

yes

Premise:
"Stephanopoulos rephrased the rape charge as a question about the relevance of candidates' private lives."
Hypothesis: Stephanopoulous emphasized that the rape charge must be considered at face value.
no