Two adults are standing on and using a playground swing.
Some adults are playing on the playground.
Standing on and using the swing does not mean they are playing.
exists e2 e1 s1 x1 x2 x3 x4.(Theme(e2,x3) & Actor(e2,x2) & v_use(e2) & n_swing(x3) & of(x3,x4) & n_playground(x4) & n_adult(x2) & card_eq_2(x2) & a_on(s1) & Manner(e1,s1) & Actor(e1,x1) & v_stand(e1) & n_adult(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_playground(x2) & on(e1,x2) & Actor(e1,x1) & v_play(e1) & n_adult(x1))