A crowd of people is walking along a promenade under signs that say "hub".
The people are sitting in a bar
People cannot be walking and sitting at the same time.
exists e1 e2 x1 x2 x3 x4 x5 x6.(under(e1,x4) & Theme(e2,x6) & Actor(e2,x5) & v_say(e2) & n_hub(x6) & (x4 = x5) & n_sign(x4) & along(e1,x3) & n_promenade(x3) & Actor(e1,x1) & v_walk(e1) & of(x1,x2) & n_people(x2) & n_crowd(x1))
exists e1 x1 x2.(n_people(x1) & in(e1,x2) & n_bar(x2) & Actor(e1,x1) & v_sit(e1))