Spectators are seated behind a blue wall.
the blue wall in front of the spectators protects them from everything.
The blue wall isn't necessarily strong enough to protect them from everything.
exists e1 s1 x1 x2.(behind(e1,x2) & n_wall(x2) & a_blue(s1) & Theme(s1,x2) & Theme(e1,x1) & v_seat(e1) & n_spectator(x1))
exists e1 s1 x1 x2 x3.(n_thing(x3) & n_spectator(x3) & n_wall(x1) & a_blue(s1) & Theme(s1,x1) & all x4.(n_thing(x4) -> from(e1,x4)) & Theme(e1,x3) & Actor(e1,x1) & v_protect(e1) & in(x1,x2) & of(x2,x3) & n_front(x2))