Two small children sitting on ground with stone tablet.
Two small children playing cards.
Playing cards and a stone tablet are not the same.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & with(e1,x4) & n_tablet(x4) & of(x4,x5) & n_stone(x5) & on(e1,x3) & n_ground(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_child(x1) & a_small(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_card(x3) & (x1 = x2) & n_child(x1) & a_small(s1) & Theme(s1,x1) & card_eq_2(x1))