A man rides a bicycle with his arm outstretched.
a man on a bicycle finishing a marathon
A man rides a bicycle with his arm outstretched does not indicate he is finishing a marathon
exists e2 e1 x1 x2 x3 x4.(with(e1,x3) & Actor(e2,x4) & v_outstretch(e2) & (x3 = x4) & n_arm(x3) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bicycle(x2) & n_man(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_finish(e1) & n_marathon(x4) & (x2 = x3) & n_bicycle(x2) & n_man(x1))