People are seated among some pillars while another person walks by.
people are seated
People are seated even if they are seated among some pillars.
exists e1 p1 x1 x2 x3.(n_person(x3) & exists e2 s1 x4.(a_by(s1) & Manner(e2,s1) & Actor(e2,x4) & v_walk(e2) & n_person(x4) & -(x4 = x3)) & while(e1,p1) & among(e1,x2) & n_pillar(x2) & Theme(e1,x1) & v_seat(e1) & n_people(x1))
exists e1 x1.(Theme(e1,x1) & v_seat(e1) & n_people(x1))