A motorcyclist on the street.
A human is cruising on his motocycle down the hwy.
A motorcyclist on the street, does not mean he is cruising on a hwy.
exists x1 x2.(n_street(x2) & a_topic(x1) & on(x1,x2) & n_motorcyclist(x1))
exists e1 x1 x2 x3.(n_hwy(x3) & on(e1,x2) & down(x2,x3) & n_motocycle(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_cruise(e1) & n_human(x1))