A girl wearing a dress holds on to both rails of the climbing frame.
A boy is playing baseball.
A girl and a boy are different genders, and climbing and playing baseball are different activities.
exists e3 e1 e2 x1 x2 x3 x4 x5.(n_frame(x5) & Actor(e3,x5) & v_climb(e3) & n_rail(x4) & r_on(e2) & to(e2,x4) & of(x4,x5) & Actor(e2,x1) & v_hold(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_dress(x3) & (x1 = x2) & n_girl(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_baseball(x2) & n_boy(x1))