A man and a young boy are walking across a street as another man is riding by on a bicycle.
The young boy is the man's son.
There is nothing to indicate that the young boy is the man's son
exists e1 p1 s1 x1 x2 x3 x4.(exists e2 s2 x5 x6.(on(e2,x6) & n_bicycle(x6) & a_by(s2) & Manner(e2,s2) & Actor(e2,x5) & v_ride(e2) & n_man(x5) & -(x5 = x2)) & n_man(x2) & n_man(x2) & as(e1,p1) & across(e1,x4) & n_street(x4) & Actor(e1,x1) & v_walk(e1) & subset_of(x3,x1) & n_boy(x3) & a_young(s1) & Theme(s1,x3) & subset_of(x2,x1))
exists p1 s1 x1 x2 x3.(n_son(x3) & of(x3,x2) & n_man(x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1) & (x1 = x3))