Three school boys posing under a blue umbrella.
There are three boys in the picture.
Both sentence are talking about three boys.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & under(e1,x4) & n_umbrella(x4) & a_blue(s1) & Theme(s1,x4) & Actor(e1,x3) & v_pose(e1) & (x1 = x3) & n_boy(x1) & of(x1,x2) & n_school(x2) & card_eq_3(x1))
exists p1 x1 x2.(n_picture(x2) & in(p1,x2) & exists x3.((x1 = x3) & n_boy(x3) & card_eq_3(x3)))