Above view of multiple people skydiving.
Some people ride in a balloon.
People skydiving cannot be the same people that ride in a ballon.
exists e1 s1 s2 x1 x2 x3.(a_topic(x1) & of(x1,x2) & Actor(e1,x3) & v_skydive(e1) & (x2 = x3) & n_people(x2) & a_multiple(s2) & Theme(s2,x2) & n_view(x1) & a_above(s1) & Theme(s1,x1))
exists e1 x1 x2.(in(e1,x2) & n_balloon(x2) & Actor(e1,x1) & v_ride(e1) & n_people(x1))