Two males are sitting on a dock, one of which is playing guitar, and another two are standing in front of them.
Two men are swimming while another two are watching them.
the mean are sitting or standing, not swimming
exists e1 e2 e3 x1 x2 x3 x4 x5 x6 x7.(in(e3,x6) & of(x6,x7) & n_thing(x7) & n_front(x6) & Actor(e3,x7) & v_stand(e3) & card_eq_2(x7) & -(x7 = x6) & n_thing(x6) & card_eq_2(x6) & Theme(e2,x5) & Actor(e2,x4) & v_play(e2) & n_guitar(x5) & of(x4,x3) & n_one(x4) & on(e1,x2) & (x2 = x3) & n_dock(x2) & Actor(e1,x1) & v_sit(e1) & n_male(x1) & card_eq_2(x1))
exists e1 p1 x1.(exists e2 x2.(Theme(e2,x1) & Actor(e2,x2) & v_watch(e2) & n_thing(x2) & card_eq_2(x2) & -(x2 = x1)) & n_thing(x1) & card_eq_2(x1) & card_eq_2(x1) & while(e1,p1) & Actor(e1,x1) & v_swim(e1) & n_man(x1))