Several people walk in an open area next to a large building.
People working on computers
People cannot walk and be working on computers simultaneously
exists e1 s1 s2 s3 x1 x2 x3 x4.(in(e1,x2) & to(x3,x4) & n_building(x4) & a_large(s3) & Theme(s3,x4) & next(x2,x3) & n_thing(x3) & n_area(x2) & a_open(s2) & Theme(s2,x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1) & a_several(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_computer(x3) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_people(x1))