A man is walking across a city street with his son.
The man is walking across a busy city street.
You can not infer the street is busy.
exists e1 x1 x2 x3 x4.(with(e1,x4) & n_son(x4) & of(x4,x1) & n_male(x1) & across(e1,x2) & n_street(x2) & of(x2,x3) & n_city(x3) & Actor(e1,x1) & v_walk(e1) & n_man(x1))
exists e1 s1 x1 x2 x3.(n_man(x1) & across(e1,x2) & n_street(x2) & of(x2,x3) & n_city(x3) & a_busy(s1) & Theme(s1,x2) & Actor(e1,x1) & v_walk(e1))