A man is holding up an exercise ball in the gym.
A man is taking a nap.
One does not hold anything up while taking a nap.
exists e1 s1 x1 x2 x3 x4.(n_gym(x4) & in(e1,x4) & a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_ball(x2) & of(x2,x3) & n_exercise(x3) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_nap(x2) & n_man(x1))