protected boolean METHOD_1 ( ) { return ( contains ( VAR_1 , METHOD_2 ( ) ) ) || ( contains ( VAR_2 , METHOD_2 ( ) ) ) ; } 

protected boolean METHOD_1 ( ) { return ( ! ( contains ( VAR_1 , METHOD_2 ( ) ) ) ) || ( ! ( contains ( VAR_2 , METHOD_2 ( ) ) ) ) ; } 
