Three children are posing on a playground slide.
There are three children.
Three children shows three children
exists e1 s1 x1 x2.(on(e1,x2) & n_slide(x2) & a_playground(s1) & Theme(s1,x2) & Actor(e1,x1) & v_pose(e1) & n_child(x1) & card_eq_3(x1))
exists p1 x1 x2.((x1 = x2) & n_child(x2) & card_eq_3(x2))