A person with brown hair stands in a group.
The brown haired woman sits alone in the classroom.
A person cannot be alone while sitting in a group.
exists s1 x1 x2 x3 x4.(a_topic(x1) & with(x1,x2) & in(x2,x4) & n_group(x4) & n_stand(x2) & of(x2,x3) & n_hair(x3) & a_brown(s1) & Theme(s1,x2) & n_person(x1))
exists e1 s1 s2 s3 x1 x2.(n_classroom(x2) & n_woman(x1) & a_haired(s2) & Theme(s2,x1) & a_brown(s1) & Theme(s1,x1) & in(e1,x2) & a_alone(s3) & Manner(e1,s3) & Actor(e1,x1) & v_sit(e1))