A crowd of people are standing and waiting in a busy area.
The people are not sitting.
People who are standing are not sitting.
exists e1 e2 s1 x1 x2 x3 x4 x5.(in(e2,x5) & n_area(x5) & a_busy(s1) & Theme(s1,x5) & Actor(e2,x3) & v_wait(e2) & of(x3,x4) & n_people(x4) & n_crowd(x3) & Actor(e1,x1) & v_stand(e1) & of(x1,x2) & n_people(x2) & n_crowd(x1))
exists x1.(n_people(x1) & -exists e1.(Actor(e1,x1) & v_sit(e1)))