A man and a boy in a yard playing with pool toys.
A man and a boy are outside.
in a yard implies outside.
exists s1 x1 x2 x3 x4 x5 x6.(a_topic(s1) & subset_of(x2,s1) & in(x2,x3) & with(x3,x5) & n_toy(x5) & of(x5,x6) & n_pool(x6) & n_playing(x3) & of(x3,x4) & n_yard(x4) & n_boy(x2) & subset_of(x1,s1) & n_man(x1))
exists s1 x1 x2 x3.(Theme(s1,x1) & a_outside(s1) & subset_of(x3,x1) & n_boy(x3) & subset_of(x2,x1) & n_man(x2))