Spare is a type of Score. Score is a type of Set. Set is related to Collection. 
Idea is related to Possible. Possible is a synonym of Option. Preference is a type of Option. Preference is related to Opinion. 
Spare --IsA--> Score --IsA--> Set <--RelatedTo--> Collection 
Idea <--RelatedTo--> Possible <--Synonym--> Option <--IsA-- Preference <--RelatedTo--> Opinion 