Helmeted biker makes a fast right turn on weedy road.
The biker is a man
We don't know if the biker is necessarily a man.
exists e2 e1 s1 s2 s3 x1 x2 x3.(Theme(e2,x2) & Actor(e2,x1) & v_make(e2) & on(x2,x3) & n_road(x3) & a_weedy(s3) & Theme(s3,x3) & n_turn(x2) & a_right(s2) & Theme(s2,x2) & a_fast(s1) & Theme(s1,x2) & n_biker(x1) & Theme(e1,x1) & v_helmet(e1))
exists p1 x1.(n_biker(x1) & exists x2.((x1 = x2) & n_man(x2)))