An onlooker sits on the shore of a pool overlooked by massive waterfalls.
An onlooker is admiring the view of the scenery on vacation.
Just because an onlooker site on the shore of a pool doesn't mean they are admiring anything. The onlooker might not be on vacation.
exists e1 e2 s1 x1 x2 x3 x4 x5.(n_shore(x2) & on(e1,x2) & of(x2,x3) & Actor(e2,x5) & n_waterfall(x5) & a_massive(s1) & Theme(s1,x5) & Theme(e2,x4) & v_overlook(e2) & (x3 = x4) & n_pool(x3) & Actor(e1,x1) & v_sit(e1) & n_onlooker(x1))
exists e1 x1 x2 x3 x4.(n_scenery(x3) & n_view(x2) & Theme(e1,x2) & Actor(e1,x1) & v_admire(e1) & of(x2,x3) & on(x3,x4) & n_vacation(x4) & n_onlooker(x1))