A child in a green costume rides an arcade games.
A child running in a field.
Arcade games are not located in a field.
exists e1 s1 s2 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & n_game(x3) & a_arcade(s2) & Theme(s2,x3) & in(x1,x2) & n_costume(x2) & a_green(s1) & Theme(s1,x2) & n_child(x1))
exists e1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_field(x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_child(x1))