A family enjoying a day at the beach.
The family is happy.
Just because the family is enjoying a day doesn't mean they are happy
exists e1 x1 x2 x3 x4.(n_beach(x4) & a_topic(x1) & at(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_enjoy(e1) & n_day(x3) & (x1 = x2) & n_family(x1))
exists s1 x1.(n_family(x1) & Theme(s1,x1) & a_happy(s1))