People sleeping in a terminal.
People in terminal
Both sentence are talking about people.
exists e1 x1 x2 x3.(a_topic(x1) & in(e1,x3) & n_terminal(x3) & Actor(e1,x2) & v_sleep(e1) & (x1 = x2) & n_people(x1))
exists x1 x2.(a_topic(x1) & in(x1,x2) & n_terminal(x2) & n_people(x1))