A senior citizen in a hospital bed.
the person is a woman
The senior citizen in bed is not necessarily a woman.
exists s1 x1 x2 x3.(a_topic(x1) & in(x1,x2) & n_bed(x2) & of(x2,x3) & n_hospital(x3) & n_citizen(x1) & a_senior(s1) & Theme(s1,x1))
exists p1 x1.(n_person(x1) & exists x2.((x1 = x2) & n_woman(x2)))