A chubby woman with her boyfriend.
The couple is in a relationship.
A woman with her boyfriend is a relationship.
exists s1 x1 x2.(a_topic(x1) & with(x1,x2) & n_boyfriend(x2) & of(x2,x1) & n_female(x1) & n_woman(x1) & a_chubby(s1) & Theme(s1,x1))
exists p1 x1.(n_couple(x1) & exists x2.(in(x1,x2) & n_relationship(x2)))