A couple at an amusement park.
The couple are mad at each other.
People in amusement parks are happy not mad at each other.
exists x1 x2 x3.(a_topic(x1) & at(x1,x2) & n_park(x2) & of(x2,x3) & n_amusement(x3) & n_couple(x1))
exists s1 x1.(n_couple(x1) & all x2.(n_other(x2) -> at(s1,x2)) & Theme(s1,x1) & a_mad(s1))