Truck filled with 5 gallons bottles in the back and a man on top looking at them.
Truck filled with supplies in the back being watched.
We don't know that the trucks are filled with supplies.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7.(n_thing(x5) & n_back(x5) & ne_nam_truck(x1) & for(e1,e2) & at(e2,x5) & Actor(e2,x1) & v_look(e2) & with(e1,x2) & subset_of(x6,x2) & on(x6,x7) & n_top(x7) & n_man(x6) & subset_of(x3,x2) & in(x3,x5) & n_bottle(x3) & of(x3,x4) & n_gallon(x4) & n_date(x3) & a_date_day_05(x3) & a_date_day_05(x3) & Actor(e1,x1) & v_fill(e1))
exists e2 e1 x1 x2 x3 x4.(n_back(x3) & ne_nam_truck(x1) & in(e1,x3) & Theme(e2,x4) & v_watch(e2) & (x3 = x4) & with(e1,x2) & n_supplies(x2) & Actor(e1,x1) & v_fill(e1))