Old man is fixing overturned bike.
Man is fixing a bike.
Man fixing bike is a rephrasing of a man fixing overturned bike.
exists e1 s1 s2 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_fix(e1) & n_bike(x2) & a_overturned(s2) & Theme(s2,x2) & n_man(x1) & a_old(s1) & Theme(s1,x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_fix(e1) & n_bike(x2) & n_man(x1))