The two men are stacking up crates outside.
There are no people working today.
In the first sentence , there are two men and they are stacking up crates. In the second sentence, there are no people working.
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 p1 x1.-exists e1 x2 x3 x4.((x1 = x2) & Time(e1,x4) & n_today(x4) & Actor(e1,x3) & v_work(e1) & (x2 = x3) & n_people(x2))