A man is on an exercise ball holding a baby.
The man is holding a baby.
The exercise ball is where the man is holding the baby.
exists p1 x1.(exists e1 x2 x3 x4 x5.(on(x1,x2) & Theme(e1,x5) & Actor(e1,x4) & v_hold(e1) & n_baby(x5) & (x2 = x4) & n_ball(x2) & of(x2,x3) & n_exercise(x3)) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_baby(x2))