Two men are building something together.
Two women are eating grpaes.
The subjects would be either men or women, and they would probably not be building and eating both at once.
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 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_grpae(x2) & n_woman(x1) & card_eq_2(x1))