Two kids, a boy and a girl, playing with a toy train set on the floor.
Johnny and Sally are playing with Johnny's new toy train set.
Not all boys are named Johnny. Not all girls are named Sally.  The age of the train set cannot be determined. The ownership of the train set cannot be determined.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7 x8 x9.(n_floor(x9) & a_topic(x1) & rel(x1,x2) & subset_of(x4,x2) & with(e1,x6) & on(e2,x9) & Theme(e2,x8) & v_set(e2) & (x6 = x8) & n_train(x6) & of(x6,x7) & n_toy(x7) & Actor(e1,x5) & v_play(e1) & (x4 = x5) & n_girl(x4) & subset_of(x3,x2) & n_boy(x3) & n_kid(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3 x4 x5 x6.(n_set(x4) & of(x4,x6) & n_train(x6) & of(x4,x5) & n_toy(x5) & a_new(s1) & Theme(s1,x4) & of(x4,x2) & ne_per_johnny(x2) & ne_per_johnny(x2) & ne_per_sally(x3) & with(e1,x4) & Actor(e1,x1) & v_play(e1) & subset_of(x3,x1) & subset_of(x2,x1))