A few people are walking down a hilly street.
The people are sitting in an office
People cannot be sitting in office and walking down street at same time.
exists e1 s1 s2 s3 x1 x2.(a_down(s3) & Manner(e1,s3) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_street(x2) & a_hilly(s2) & Theme(s2,x2) & n_people(x1) & a_few(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_people(x1) & in(e1,x2) & n_office(x2) & Actor(e1,x1) & v_sit(e1))