Some men are playing ball on the beach.
Men lay around on a beach.
If people lay around on a beach, they cannot be playing ball on the beach.
exists e1 x1 x2 x3.(n_beach(x3) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_ball(x2) & n_man(x1))
exists e1 s1 x1 x2.(a_around(s1) & Manner(e1,s1) & on(e1,x2) & n_beach(x2) & Actor(e1,x1) & v_lay(e1) & n_man(x1))