A line of several people standing on the street side.
Nobody in line.
There is either a line of several people or nobody is in line.
exists e1 s1 x1 x2 x3 x4 x5.(n_side(x4) & of(x4,x5) & n_street(x5) & a_topic(x1) & of(x1,x2) & on(e1,x4) & Actor(e1,x3) & v_stand(e1) & (x2 = x3) & n_people(x2) & a_several(s1) & Theme(s1,x2) & n_line(x1))
-exists x1 x2.(a_topic(x1) & in(x1,x2) & n_line(x2) & n_person(x1))