A bride and groom dancing at the reception.
The bride and groom and in a hot air balloon.
If the bride and groom are dancing at the reception, then they are not in a hot air balloon.
exists s1 x1 x2 x3 x4.(n_reception(x4) & a_topic(s1) & subset_of(x2,s1) & at(x2,x4) & n_dancing(x2) & of(x2,x3) & n_groom(x3) & subset_of(x1,s1) & n_bride(x1))
exists s1 s2 x1 x2 x3 x4 x5.(n_groom(x3) & n_bride(x2) & subset_of(x3,x1) & subset_of(x2,x1) & a_topic(s1) & subset_of(x4,s1) & in(x4,x5) & n_air(x5) & a_hot(s2) & Theme(s2,x5) & n_balloon(x4) & subset_of(x1,s1))