A young boy enjoys the surf as the sun sits low on the horizon.
A boy watches tv at midday.
It generally isn't midday if the sun is low. A boy can't surf and watch tv at the same time.
exists e1 p1 s1 x1 x2 x3 x4.(n_horizon(x4) & n_sun(x3) & n_surf(x2) & exists e2 p2.(on(e2,x4) & exists s2.(Theme(s2,x3) & a_low(s2)) & Topic(e2,p2) & Actor(e2,x3) & v_sit(e2)) & as(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_enjoy(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(at(e1,x3) & n_midday(x3) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_tv(x2) & n_boy(x1))