Statements:
I. Only those who have a pair of binoculars become the members of the birdwatcher`s club.
II. Some members of the birdwatcher`s club have participate cameras.
III. Those members who have cameras cannot photo contests.
Conclusions:
I. All those who have a pair of binoculars are members of the birdwatcher`s club.
II. All members of the birdwatcher`s club have a pair of binoculars.
III. All those who take part in photo-contests are members of the birdwatcher`s club.
Only conclusion II follows
Only those who have binoculars can be a part of birdwatcher`s club, hence all the members of birdwatcher`s club will have binoculars for sure. But all those who have binoculars may not be part of birdwatcher`s club.