The giraffe's mouth is closed.
The giraffe has food in its mouth.
Just because the giraffe's mouth is closed, does not mean that there is food in its mouth
exists e1 x1 x2.(n_mouth(x2) & of(x2,x1) & n_giraffe(x1) & Theme(e1,x2) & v_close(e1))
exists e1 x1 x2 x3.(n_mouth(x3) & of(x3,x1) & n_thing(x1) & n_giraffe(x1) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_food(x2))