People standing around watching monitors on the wall.
People standing around watching monitors on the floor.
People can either be watching monitors on the wall or on the floor.
exists e2 e1 x1 x2 x3 x4.(n_wall(x4) & a_topic(x1) & around(e1,e2) & on(e2,x4) & Theme(e2,x3) & Actor(e2,x2) & v_watch(e2) & n_monitor(x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_people(x1))
exists e2 e1 x1 x2 x3 x4.(n_floor(x4) & a_topic(x1) & around(e1,e2) & on(e2,x4) & Theme(e2,x3) & Actor(e2,x2) & v_watch(e2) & n_monitor(x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_people(x1))