three men in brown shorts are walking on rocks beside a river.
Some men walking on rocks.
Some men are actually 3 men, and they are walking on rocks besidea river.
exists e1 s1 x1 x2 x3 x4.(beside(e1,x4) & n_river(x4) & on(e1,x3) & n_rock(x3) & Actor(e1,x1) & v_walk(e1) & in(x1,x2) & n_shorts(x2) & a_brown(s1) & Theme(s1,x2) & n_man(x1) & card_eq_3(x1))
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_rock(x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_man(x1))