A child in a red shirt climbs on play equipment.
A boy in green coveralls swings on a swing.
There is either a child in a red shirt climbing on play equipment, or a boy in green coveralls swinging on a swing.
exists s1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & on(x2,x4) & n_equipment(x4) & of(x4,x5) & n_play(x5) & n_climb(x2) & of(x2,x3) & n_shirt(x3) & a_red(s1) & Theme(s1,x2) & n_child(x1))
exists s1 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & on(x2,x4) & n_swing(x4) & n_swing(x2) & of(x2,x3) & n_coverall(x3) & a_green(s1) & Theme(s1,x2) & n_boy(x1))