Two people enjoying a sunny day on the pier.
The sky is obscured by heavy clouds.
A clouds  sky will not be a sunny day.
exists e1 s1 x1 x2 x3 x4.(n_pier(x4) & a_topic(x1) & on(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_enjoy(e1) & n_day(x3) & a_sunny(s1) & Theme(s1,x3) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(n_sky(x1) & Actor(e1,x2) & n_cloud(x2) & a_heavy(s1) & Theme(s1,x2) & Theme(e1,x1) & v_obscure(e1))