A girl jumps while playing beach volleyball.
old lady plays the volleyball
It cannot be both a girl and an old lady at the same time.
exists e2 e1 x1 x2 x3.(while(e1,e2) & Theme(e2,x2) & Actor(e2,x1) & v_play(e2) & n_volleyball(x2) & of(x2,x3) & n_beach(x3) & Actor(e1,x1) & v_jump(e1) & n_girl(x1))
exists e1 s1 x1 x2.(n_volleyball(x2) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_lady(x1) & a_old(s1) & Theme(s1,x1))