Bible is related to Holy. Holy is related to Wedding. Wedding is related to Celebration. Celebration is a type of Ritual. 
Processor is a type of Worker. Slave is a type of Worker. Slave is a different concept from Free. 
Bible <--RelatedTo--> Holy <--RelatedTo--> Wedding <--RelatedTo--> Celebration --IsA--> Ritual 
Processor --IsA--> Worker <--IsA-- Slave <--DistinctFrom--> Free 