Premise:
"'But...the two of you...' Daniel shook his head."
Hypothesis: 'But the seven of you' said Daniel.

no

Premise:
"Tennis lovers will find there are courts in the major hotels or in public parks."
Hypothesis: The people who play tennis will be happy.

it is not possible to tell

Premise:
"The International Olympic Committee expelled six of its delegates for accepting cash and other gifts as part of Salt Lake City's successful lobbying for the 2002 Winter Olympics."
Hypothesis: Accepting cash or other gifts as a delegate for the International Olympic Committee is grounds for expulsion.
yes