Bulk is a synonym of Volume. you are likely to find Volume in/at/on Library. Library is related to Story. Story is related to Meaning. 
Sign is a type of Evidence. Sign is related to Red. 
Bulk <--Synonym--> Volume --AtLocation--> Library <--RelatedTo--> Story <--RelatedTo--> Meaning 
Evidence <--IsA-- Sign <--RelatedTo--> Red 