A man in green and white is riding on a bicycle.
A man rides a bike.
Riding on a bicycle means a person rides a bike.
exists e1 s1 x1 x2 x3.(on(e1,x3) & n_bicycle(x3) & Actor(e1,x1) & v_ride(e1) & in(x1,x2) & n_white(x2) & a_green(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_man(x1))