People watching TV while eating.
THey are watching a comedy
People watching TV are not assumed to be watching a comedy.
exists e1 e2 x1 x2 x3.(a_topic(x1) & while(e1,e2) & Actor(e2,x2) & v_eat(e2) & Theme(e1,x3) & Actor(e1,x2) & v_watch(e1) & n_tv(x3) & (x1 = x2) & n_people(x1))
exists e1 x1 x2.(ne_nam_they(x1) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_comedy(x2))