Kids and adults playing in shallow water in a city.
Kids and adults are skydiving.
Playing and skydiving are mutually exclusive activities. One cannot skydive in shallow water in a city.
exists e1 s1 s2 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x2,s1) & in(e1,x5) & n_city(x5) & in(e1,x4) & n_water(x4) & a_shallow(s2) & Theme(s2,x4) & Actor(e1,x3) & v_play(e1) & (x2 = x3) & n_adult(x2) & subset_of(x1,s1) & n_kid(x1))
exists e1 x1 x2 x3.(Actor(e1,x1) & v_skydive(e1) & subset_of(x3,x1) & n_adult(x3) & subset_of(x2,x1) & n_kid(x2))