The two men are stacking up crates outside.
Two men are outside working at the docks.
Just because two men are stacking up crates outside doesn't mean that they are working at the docks.
exists e1 s1 s2 x1 x2.(n_man(x1) & card_eq_2(x1) & a_outside(s2) & Manner(e1,s2) & a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_stack(e1) & n_crate(x2))
exists e1 s1 x1 x2.(n_dock(x2) & for(s1,e1) & at(e1,x2) & Actor(e1,x1) & v_work(e1) & Theme(s1,x1) & a_outside(s1) & n_man(x1) & card_eq_2(x1))