A man playing a guitar by a swimming pool.
A man is watching a basketball game.
one cannot play a guitar and watch a basketball game simultaneously
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & by(e1,x4) & n_pool(x4) & of(x4,x5) & n_swimming(x5) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_guitar(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_game(x2) & of(x2,x3) & n_basketball(x3) & n_man(x1))