this bike rider looks tired.
The person is tired after riding the bike home from work.
A biker looking tired doesn't necessarily mean he was riding home from work.
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 e2 e1 x1 x2 x3 x4.(n_home(x2) & of(x2,x3) & n_bike(x3) & n_person(x1) & after(e1,e2) & from(e2,x4) & n_work(x4) & Theme(e2,x2) & Actor(e2,x1) & v_ride(e2) & Theme(e1,x1) & v_tire(e1))