A boy tries to climb a large rock.
There is one boy in this picture.
In both cases there is a boy present.
exists e1 p1 x1.(Topic(e1,p1) & Actor(e1,x1) & v_try(e1) & exists e2 s1 x2.(Theme(e2,x2) & Actor(e2,x1) & v_climb(e2) & n_rock(x2) & a_large(s1) & Theme(s1,x2)) & n_boy(x1))
exists p1 x1 x3.(n_picture(x3) & exists x2.((x1 = x2) & in(x2,x3) & n_boy(x2) & card_eq_1(x2)))