A young Asian boy approaches a Mallard duck on the sidewalk.
the boys is seven years old
We can't infer the boy is seven years old.
exists e1 s1 s2 x1 x2 x3 x4.(n_sidewalk(x4) & on(e1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_approach(e1) & n_duck(x2) & (x2 = x3) & ne_geo_mallard(x3) & n_boy(x1) & a_asian(s2) & Theme(s2,x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_boy(x1) & Theme(e1,x2) & Pivot(e1,x1) & r_more(e1) & v_old(e1) & n_year(x2) & card_eq_7(x2))