Four men are in a construction site.
There are construction men outdoors.
The construction site is outdoors.
exists p1 x1.(exists x2 x3.(in(x1,x2) & n_site(x2) & of(x2,x3) & n_construction(x3)) & n_man(x1) & card_eq_4(x1))
exists p1 x1 x2 x3 x4.((x1 = x2) & n_outdoors(x2) & of(x2,x4) & n_man(x4) & of(x2,x3) & n_construction(x3))