Police in riot gear fill a street lined with spectators in red clothing.
Everything is calm on a random afternoon.
If everything is calm the police would not be in riot gear.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6 x7.(Theme(e2,x4) & Actor(e2,x1) & v_fill(e2) & in(e1,x7) & n_clothing(x7) & a_red(s1) & Theme(s1,x7) & with(e1,x6) & n_spectator(x6) & Theme(e1,x5) & v_line(e1) & (x4 = x5) & n_street(x4) & in(x1,x2) & n_gear(x2) & of(x2,x3) & n_riot(x3) & n_police(x1))
all x1.(n_thing(x1) -> exists s1 s2 x2.(on(s1,x2) & n_afternoon(x2) & a_random(s2) & Theme(s2,x2) & Theme(s1,x1) & a_calm(s1)))