65664
Therefore , TF units were split in August and September 1914 into 1st Line ( liable for overseas service ) and 2nd Line ( home service for those unable or unwilling to serve overseas ) units .
 1st
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 1st