An old man with a blue polo shirt is sitting behind a group of people in uniform who are standing waiting in line.
The old man is sitting down.
The old man is sitting down is a rephrasing of an old man is sitting.
exists e2 e3 e1 s1 s2 x1 x2 x3 x4 x5 x6 x7 x8.(behind(e1,x4) & of(x4,x5) & for(e2,e3) & in(e3,x8) & n_line(x8) & Actor(e3,x7) & v_wait(e3) & Actor(e2,x7) & v_stand(e2) & (x5 = x7) & in(x5,x6) & n_uniform(x6) & n_people(x5) & n_group(x4) & Actor(e1,x1) & v_sit(e1) & with(x1,x2) & n_shirt(x2) & of(x2,x3) & n_polo(x3) & a_blue(s2) & Theme(s2,x2) & n_man(x1) & a_old(s1) & Theme(s1,x1))
exists e1 s1 s2 x1.(n_man(x1) & a_old(s1) & Theme(s1,x1) & a_down(s2) & Manner(e1,s2) & Actor(e1,x1) & v_sit(e1))