Guy riding a bicycle down a grassy trail.
A man is outside on a bike.
Guy could be a name not a man
exists e1 s1 x1 x2 x3.(ne_nam_guy(x1) & down(e1,x3) & n_trail(x3) & a_grassy(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bicycle(x2))
exists s1 x1 x2.(on(s1,x2) & n_bike(x2) & Theme(s1,x1) & a_outside(s1) & n_man(x1))