A white dog chases a red ball in the yard of a building across the way from a barn.
Dog playing fetch.
a dog chasing a ball is usually called playing fetch.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(n_way(x5) & n_yard(x3) & Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & in(x2,x3) & from(x3,x6) & n_barn(x6) & of(x3,x4) & across(x4,x5) & n_building(x4) & n_ball(x2) & a_red(s2) & Theme(s2,x2) & n_dog(x1) & a_white(s1) & Theme(s1,x1))
exists e1 x1 x2.(Actor(e1,x1) & v_fetch(e1) & n_playing(x1) & (x1 = x2) & ne_nam_dog(x2))