Sight is related to Recognize. Recognize is a type of Remember. Monument can be used for Remember. 
Spiritual is a different concept from Physical. Physical is related to Mass. Mass is related to Service. 
Sight <--RelatedTo--> Recognize --IsA--> Remember <--UsedFor-- Monument 
Spiritual <--DistinctFrom--> Physical <--RelatedTo--> Mass <--RelatedTo--> Service 