/****************************************************************
* This file is part of CLKR - www.fernuni-hagen.de/wbs/clkr/
* 
* File       : ex0009_birds009.cl
* Type       : KB
* Domain     : Examples
* Date       : 2023-12-19
* Version    : v1.0
* 
* Details    : Signature size        : 4
*              #Conditionals per KB  : 5
* 
* Refs       : 
*
* Comments   : 
*
****************************************************************/

signature
  b,p,f,w

conditionals
birds009{
  (f|b),
  (!f|p),
  (b|p),
  (w|b),
  (!b|top)
}