Rednecks throwing knives.
Men are throwing blades at a target.
Not all rednecks are men.  They may not be throwing knives at a target, but it was not implied.
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_throw(e1) & n_knife(x3) & (x1 = x2) & n_redneck(x1))
exists e1 x1 x2 x3.(at(e1,x3) & n_target(x3) & Theme(e1,x2) & Actor(e1,x1) & v_throw(e1) & n_blade(x2) & n_man(x1))