Image immediately declined

I've had an image submission immediately declined and hope someone can look at it please.  It's another example of what I tried to explain when this problem occurred.  The contribution number is 260510-051235-668819.  So it's an image from a press conference and would normally trigger a manual check. I'm pretty sure it's the signage behind the person that triggers it. Anyway, after being reviewed manually, it's normally approved.  That's not happening now. It's declined immediately. As I usually do news programs, images of this kind occur somewhat frequently so rectifying this problem would be very much appreciated.