Fiction is related to Space. Space is related to Field. Field is a synonym of Discipline. 
Ship is a type of Vessel. Vessel is related to Pan. Pan is a synonym of Trash. 
Fiction <--RelatedTo--> Space <--RelatedTo--> Field <--Synonym--> Discipline 
Ship --IsA--> Vessel <--RelatedTo--> Pan <--Synonym--> Trash 