this bike rider looks tired.
the person is lacking energy.
People look tired when they lack energy.
exists e1 p1 x1 x2.(n_rider(x1) & of(x1,x2) & n_bike(x2) & exists s1.(Theme(s1,x1) & a_tired(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_look(e1))
exists e1 x1 x2.(n_person(x1) & Theme(e1,x2) & Actor(e1,x1) & v_lack(e1) & n_energy(x2))