Commuter reads the paper while riding on a boat.
No one reads the paper.
A commuter is someone, thereby making it a contradiction that no one reads the paper.
exists e2 e1 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 x2.(n_paper(x2) & -exists e1 x1.(Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & n_one(x1)))