A chubby woman with her boyfriend.
The woman is heavier than the man.
man doesn't always mean boyfriend
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 s1 x1 x2.(n_man(x2) & n_woman(x1) & than(s1,x2) & r_more(s1) & Theme(s1,x1) & a_heavier(s1))