Commuter reads the paper while riding on a boat.
Someone reads the paper.
The someone reading paper is the same commuter reading paper while riding a boat.
exists e1 e2 x1 x2 x3.(n_paper(x2) & ne_nam_commuter(x1) & while(e1,e2) & on(e2,x3) & n_boat(x3) & Actor(e2,x1) & v_ride(e2) & Theme(e1,x2) & Actor(e1,x1) & v_read(e1))
exists e1 x1 x2.(n_paper(x2) & Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & n_person(x1))