A man is showing a little boy how to ride a blue bicycle.
The boy is riding the bicycle
Man is showing the little boy to ride, which does not imply boy is riding the bicycle
exists e1 p1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_show(e1) & Topic(x2,p1) & exists e2 s2 x3.(Theme(e2,x3) & Actor(e2,x2) & v_ride(e2) & n_bicycle(x3) & a_blue(s2) & Theme(s2,x3)) & n_boy(x2) & a_little(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2.(n_bicycle(x2) & n_boy(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1))