An older man sitting on a decrepit bike.
A man seated on a bike.
Man seated on a bike is the same as man sitting on a decrepit bike.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x3) & n_bike(x3) & of(x3,x4) & n_decrepit(x4) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_bike(x3) & Theme(e1,x2) & v_seat(e1) & (x1 = x2) & n_man(x1))