Two people carrying a basket full of red items as a person in red walks behind them.
The basket is empty.
It the basket full of red items  then the basket cannot be empty.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6 x7.(behind(e2,x1) & n_thing(x1) & Actor(e2,x1) & v_walk(e2) & Theme(e1,x3) & Actor(e1,x2) & v_carry(e1) & in(x3,x7) & n_red(x7) & of(x3,x5) & as(x5,x6) & n_person(x6) & n_item(x5) & a_red(s2) & Theme(s2,x5) & Theme(s1,x4) & a_full(s1) & (x3 = x4) & n_basket(x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists s1 x1.(n_basket(x1) & Theme(s1,x1) & a_empty(s1))