Saving is related to Help. Help is related to Rescue. Rescue is a synonym of Recover. 
Food is related to Grain. Grain is related to Fiber. Boat is made of Fiber. Boat is a type of Ride. 
Saving <--RelatedTo--> Help <--RelatedTo--> Rescue <--Synonym--> Recover 
Food <--RelatedTo--> Grain <--RelatedTo--> Fiber <--MadeOf-- Boat --IsA--> Ride 