A crowd excited and happy.
This is a happy crowd.
A crowd described as happy is a happy crowd.
exists s1 s2 x1 x2 x3.(a_topic(x1) & Theme(s2,x3) & a_happy(s2) & (x1 = x3) & Theme(s1,x2) & a_excited(s1) & (x1 = x2) & n_crowd(x1))
exists p1 x1.(n_thing(x1) & exists s1 x2.((x1 = x2) & n_crowd(x2) & a_happy(s1) & Theme(s1,x2)))