Two men are working at a construction site.
Those two men are working for the construction crew.
Construction crew consists of two or more men. The fact that two men are working at construction site implies they are part of construction crew.
exists e1 x1 x2 x3.(at(e1,x2) & n_site(x2) & of(x2,x3) & n_construction(x3) & Actor(e1,x1) & v_work(e1) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(n_crew(x2) & of(x2,x3) & n_construction(x3) & n_man(x1) & card_eq_2(x1) & for(e1,x2) & Actor(e1,x1) & v_work(e1))