A construction worker hard at work.
Some people are watching TV in the living room.
A construction worker cannot be denoted by 'people.''.
exists s1 x1 x2 x3 x4.(a_topic(x1) & at(s1,x4) & n_work(x4) & Theme(s1,x3) & a_hard(s1) & (x1 = x3) & n_worker(x1) & of(x1,x2) & n_construction(x2))
exists e1 x1 x2 x3 x4.(n_room(x3) & of(x3,x4) & n_living(x4) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_tv(x2) & n_people(x1))