Two men looking outside their bedroom window.
A couple is standing near their bedroom window.
In sentence 1 it can't be inferred that the 2 men are a couple.
exists e1 x1 x2 x3.(outside(e1,x2) & n_window(x2) & of(x2,x3) & n_bedroom(x3) & of(x2,x1) & n_thing(x1) & Actor(e1,x1) & v_look(e1) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(near(e1,x2) & n_window(x2) & of(x2,x3) & n_bedroom(x3) & of(x2,x1) & n_thing(x1) & Actor(e1,x1) & v_stand(e1) & n_couple(x1))