Premise:
"One security manager thought that requiring such signed statements served as a useful technique for impressing on the users the importance of understanding organizational policies."
Hypothesis: Signed statements don't do anything and don't help the user comprehend anything.

no

Premise:
"You will find pretty tins of both types of biscuits for sale in the city, often decorated with city or highland scenes."
Hypothesis: Only one type of biscuits can be bought in tins in the city.

no

Premise:
"how about Meryl Streep"
Hypothesis: what about Helena Bonham Carter
no