Two men are building something together.
Tow guys are working together.
If the men are building something together they must be working together.
exists e1 s1 x1 x2.(a_together(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_build(e1) & n_thing(x2) & n_man(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(a_together(s1) & Manner(e1,s1) & Actor(e1,x1) & v_work(e1) & n_guy(x1) & (x1 = x2) & ne_nam_tow(x2))