Van is related to Truck. Truck is related to Bed. Bed is related to Nice. Nice is related to Bar. 
Planning is a form of Plan. Planning is a synonym of Preparation. Preparation is related to Service. 
Van <--RelatedTo--> Truck <--RelatedTo--> Bed <--RelatedTo--> Nice <--RelatedTo--> Bar 
Plan <--FormOf-- Planning <--Synonym--> Preparation <--RelatedTo--> Service 