Street worker blower dirt off of sidewalk and street.
The street worker is wearing protective glasses.
A street worker can be wearing protective glasses or not.
exists e1 x1 x2 x3 x4 x5 x6 x7 x8.(r_.(e1) & r_off(e1) & of(e1,x6) & n_street(x8) & n_sidewalk(x7) & subset_of(x8,x6) & subset_of(x7,x6) & Theme(e1,x2) & Actor(e1,x1) & v_event(e1) & n_dirt(x2) & of(x2,x5) & n_blower(x5) & of(x2,x4) & n_worker(x4) & (x2 = x3) & ne_per_street(x3) & n_thing(x1))
exists e1 s1 x1 x2 x3.(n_worker(x1) & of(x1,x2) & n_street(x2) & Theme(e1,x3) & Actor(e1,x1) & v_wear(e1) & n_glass(x3) & a_protective(s1) & Theme(s1,x3))