you are likely to find Terrorist in/at/on Plane. Terrorist is a type of Person. Person is related to Mother. Mother is related to Relation. 
Mine is related to Gather. Gather is a synonym of Harvest. 
Plane <--AtLocation-- Terrorist --IsA--> Person <--RelatedTo--> Mother <--RelatedTo--> Relation 
Mine <--RelatedTo--> Gather <--Synonym--> Harvest 