Two black guys, with hoes, are working a field, preparing it for farming or gardening.
Two persons are drinking lemonade.
The people cannot be working and drinking lemonade at the same time.
exists e1 e2 s1 x1 x2 x3 x4.(for(e1,e2) & for(e2,x4) & (n_farm(x4) | n_garden(x4)) & Theme(e2,x2) & Actor(e2,x1) & v_prepare(e2) & n_thing(x2) & Theme(e1,x3) & Actor(e1,x1) & v_work(e1) & n_field(x3) & with(x1,x2) & n_hoe(x2) & n_guy(x1) & a_black(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_drink(e1) & n_lemonade(x2) & n_person(x1) & card_eq_2(x1))