A couple shops at an antique store.
A couple is indoors.
If a couple is shopping at a store, they would be indoors inside that store.
exists s1 x1 x2 x3.(a_topic(x1) & at(x1,x3) & n_store(x3) & a_antique(s1) & Theme(s1,x3) & n_shop(x1) & of(x1,x2) & n_couple(x2))
exists p1 x1.(exists x2.((x1 = x2) & n_indoor(x2)) & n_couple(x1))