Two dirty looking guys who look like Doctor Livingstone walking with bunch of British flags.
The guys are dirty
' Two dirty looking guys ' is a rephrasing of  ' two guys are dirty.'
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8.(a_topic(x1) & like(e2,x6) & n_walking(x6) & (x6 = x8) & ne_nam_livingstone(x8) & (x6 = x7) & ne_nam_doctor(x7) & with(e2,x4) & of(x4,x5) & n_flag(x5) & a_british(s1) & Theme(s1,x5) & n_bunch(x4) & Actor(e2,x3) & v_look(e2) & (x1 = x3) & n_guy(x1) & Actor(e1,x1) & v_look(e1) & of(x1,x2) & n_dirty(x2) & card_eq_2(x1))
exists s1 x1.(n_guy(x1) & Theme(s1,x1) & a_dirty(s1))