5238
Probably neither Hitler nor any other German authorities had read  Ryti  's previous letter carefully enough because  Finland  's decision at the start of September 1944 to end its informal military alliance or brotherhood-in-arms with Germany surprised and angered the Germans .
 countries of residence: Ryti, Finland
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
 Entity Pairs:  Ryti, Finland 
Answer:
 countries of residence: Ryti, Finland