A person in a black shirt is unloading items from a truck.
The delivery truck missed its stop.
If a delivery truck missed its stop a man wouldn't be unloading items from it.
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_unload(e1) & from(x3,x4) & n_truck(x4) & n_item(x3) & in(x1,x2) & n_shirt(x2) & a_black(s1) & Theme(s1,x2) & n_person(x1))
exists e1 x1 x2 x3.(n_stop(x3) & of(x3,x1) & n_thing(x1) & n_truck(x1) & of(x1,x2) & n_delivery(x2) & Theme(e1,x3) & Actor(e1,x1) & v_miss(e1))