Four men ride on the back of a dump truck.
four men are standing in a dump truck shoveling dirt
Ride is different than shoveling.
exists e1 x1 x2 x3 x4.(n_back(x2) & on(e1,x2) & of(x2,x3) & n_truck(x3) & of(x3,x4) & n_dump(x4) & Actor(e1,x1) & v_ride(e1) & n_man(x1) & card_eq_4(x1))
exists e1 x1 x2 x3 x4 x5.(in(e1,x2) & n_dirt(x2) & of(x2,x5) & n_shoveling(x5) & of(x2,x4) & n_truck(x4) & of(x2,x3) & n_dump(x3) & Actor(e1,x1) & v_stand(e1) & n_man(x1) & card_eq_4(x1))