question: public static boolean isAgree ( FeatureStructure aMergeFs , Map < String , List < FeatureStructure > > aAnnosPerUser ) { for ( String usr : aAnnosPerUser . keySet ( ) ) { boolean agree = false ; for ( FeatureStructure usrFs : aAnnosPerUser . get ( usr ) ) { if ( isSameAnno ( aMergeFs , usrFs ) ) { if ( ! agree ) { agree = true ; } else if ( agree ) { return false ; } } } if ( ! agree ) { return false ; } } return true ; }
target:  Returns true if a span annotation agrees on all features values (including null/empty as agreement) and no stacking is found in this position