Young children at a martial arts competition, at a school gymnasium.
The children are enjoying their vacation at the beach.
Gymnasium and beach are different.
exists s1 s2 x1 x2 x3 x4 x5.(a_topic(x1) & at(x1,x4) & n_gymnasium(x4) & of(x4,x5) & n_school(x5) & at(x1,x2) & n_competition(x2) & of(x2,x3) & n_art(x3) & a_martial(s2) & Theme(s2,x2) & n_child(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_beach(x3) & n_vacation(x2) & of(x2,x1) & n_thing(x1) & n_child(x1) & Theme(e1,x2) & Actor(e1,x1) & v_enjoy(e1) & at(x2,x3))