A young child is walking on a stone paved street with a metal pole and a man behind him.
A man watches as his son runs ahead.
One can't tell by looking at a man if it's his son running by.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6 x7.(with(e1,x4) & subset_of(x7,x4) & behind(x7,x1) & n_male(x1) & n_man(x7) & subset_of(x5,x4) & n_pole(x5) & of(x5,x6) & n_metal(x6) & on(e1,x2) & n_street(x2) & Theme(e2,x2) & v_pave(e2) & of(x2,x3) & n_stone(x3) & Actor(e1,x1) & v_walk(e1) & n_child(x1) & a_young(s1) & Theme(s1,x1))
exists e1 p1 x1 x2.(exists e2 s1.(a_ahead(s1) & Manner(e2,s1) & Actor(e2,x2) & v_run(e2)) & n_son(x2) & of(x2,x1) & n_male(x1) & as(e1,p1) & Actor(e1,x1) & v_watch(e1) & n_man(x1))