People are sitting at a bar that overlooks a street.
people are sober
Sitting at the bar doesn't imply sober.
exists e1 e2 x1 x2 x3 x4.(at(e1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_overlook(e2) & n_street(x4) & (x2 = x3) & n_bar(x2) & Actor(e1,x1) & v_sit(e1) & n_people(x1))
exists s1 x1.(Theme(s1,x1) & a_sober(s1) & n_people(x1))