An umpire brushes dirt off the home plate.
An umpire brushes the dirt off of the home plate.
This sentence is correct. An umpire brushes the dirt off of the home plate.
exists e1 x1 x2 x3 x4.(n_plate(x3) & of(x3,x4) & n_home(x4) & off(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_brush(e1) & n_dirt(x2) & n_umpire(x1))
exists e1 x1 x2 x3 x4.(n_plate(x3) & of(x3,x4) & n_home(x4) & n_dirt(x2) & of(e1,x3) & r_off(e1) & Theme(e1,x2) & Actor(e1,x1) & v_brush(e1) & n_umpire(x1))