A girl is jumping on a trampoline with her arms in the air , while a boy in a blue shirt is bouncing on his stomach .
There is almost no chance that two cousins use their aunt 's trampoline for fun .
There is almost no chance that two cousins use their aunt 's trampoline for fun .
There is a very good chance that two cousins use their aunt 's trampoline for fun .
Two cousins use their aunt 's trampoline for fun .