Prize is etymologically related to Prison. Prison is related to Guard. Guard is a type of Position. Position is related to Missionary. 
Material is a type of Equipment. Material is related to Coal. Coal is related to Christmas. 
Prize --EtymologicallyRelatedTo--> Prison <--RelatedTo--> Guard --IsA--> Position <--RelatedTo--> Missionary 
Equipment <--IsA-- Material <--RelatedTo--> Coal <--RelatedTo--> Christmas 