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they were a loose confederacy of various arab lineages who were forged together in the eighteenth century by a common way of life and amalgamated in the twentieth century under their famous shaykh ( sir ) 'ali al-tom ( 1874-1937 ) .
 member collection: confederacy, lineages
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: component whole, NA, instrument agency, member collection, cause effect, entity destination, content container, message topic, product producer, entity origin 
Text: {0} 
 Entity Pairs:  confederacy, lineages 
Answer:
 member collection: confederacy, lineages