Premise:
"ABC News president David Westin is the latest star in the network news soap opera . USA Today implied that Westin's predecessor, the legendary Roone Arledge, is being kicked upstairs because ABC is losing the ratings war to NBC."
Hypothesis: Westin is not a star.

no

Premise:
"In summer you can come to dip your feet in the sea and treat yourself to an ice cream or cotton candy; in spring or fall, enjoy a bracing stroll in the sea air."
Hypothesis: The water is always too cold to touch.

no

Premise:
"Madrid's cultural output reaches its apogee, though, in its superb concentration of art museums."
Hypothesis: Madrid has more art museums than any other European city.
it is not possible to tell