A mother is playing with her two children on a seesaw.
Two children playing with their mother in the park
Sentence 1 is missing in the park
exists e1 x1 x2 x3.(on(e1,x3) & n_seesaw(x3) & with(e1,x2) & n_child(x2) & card_eq_2(x2) & of(x2,x1) & n_female(x1) & Actor(e1,x1) & v_play(e1) & n_mother(x1))
exists e1 x1 x2 x3 x4.(n_park(x4) & a_topic(x1) & in(e1,x4) & with(e1,x3) & n_mother(x3) & of(x3,x1) & n_thing(x1) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_child(x1) & card_eq_2(x1))