An elderly man working on a painting.
The man is happy
Working on a painting does not imply the man is happy.
exists e1 s1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_painting(x3) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_man(x1) & a_elderly(s1) & Theme(s1,x1))
exists s1 x1.(n_man(x1) & Theme(s1,x1) & a_happy(s1))