Two males are sitting on a dock, one of which is playing guitar, and another two are standing in front of them.
All four of the men are musicians.
two men looking doesn't imply they are musicians
exists e1 e3 e2 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 x2.(n_man(x2) & all x1.((n_thing(x1) & card_eq_4(x1)) -> exists p1.(exists x3.((x1 = x3) & n_musician(x3)) & of(x1,x2))))