Tourists observe a geographic landmark through viewfinders.
Two travelers are sleeping in their bunks.
They cannot observe anything if they are sleeping.
exists e1 s1 x1 x2 x3.(through(e1,x3) & n_viewfinder(x3) & Theme(e1,x2) & Actor(e1,x1) & v_observe(e1) & n_landmark(x2) & a_geographic(s1) & Theme(s1,x2) & n_tourist(x1))
exists e1 x1 x2.(in(e1,x2) & n_bunk(x2) & of(x2,x1) & n_thing(x1) & Actor(e1,x1) & v_sleep(e1) & n_traveler(x1) & card_eq_2(x1))