A man with a giant white beard rides a bicycle next to a bus.
The man is riding a bicycle.
Implies a man is riding his bicycle, but with more detail.
exists e1 s1 s2 x1 x2 x3 x4 x5.(Theme(e1,x3) & Actor(e1,x1) & v_ride(e1) & to(x4,x5) & n_bus(x5) & next(x3,x4) & n_thing(x4) & n_bicycle(x3) & with(x1,x2) & n_beard(x2) & a_white(s2) & Theme(s2,x2) & a_giant(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bicycle(x2))