People standing by a row of orange portable toilets.
There is a group of people
People standing by a row is a group of people.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & by(e1,x3) & of(x3,x4) & n_toilet(x4) & a_portable(s1) & Theme(s1,x4) & of(x4,x5) & n_orange(x5) & n_row(x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_people(x1))
exists p1 x1 x2 x3.((x1 = x2) & of(x2,x3) & n_people(x3) & n_group(x2))