An old skinny man wearing the dirty white shirt riding on a bicycle on the street
A man is riding a bike.
Answer: A man refers to an old skinny man and bike refers to bicycle
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8.(n_street(x8) & n_riding(x4) & of(x4,x6) & n_shirt(x6) & a_white(s2) & Theme(s2,x4) & of(x4,x5) & n_dirty(x5) & a_topic(x1) & Theme(e1,x4) & Actor(e1,x3) & v_wear(e1) & on(x4,x7) & on(x7,x8) & n_bicycle(x7) & (x1 = x3) & n_man(x1) & of(x1,x2) & n_skinny(x2) & a_old(s1) & Theme(s1,x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_man(x1))