Fame is a type of Proof. Proof is related to Strength. Strengthen is derived from Strength. 
Sandwich is a type of Insert. Feed is a type of Insert. Feed is related to Lunch. Lunch is related to Sack. 
Fame --IsA--> Proof <--RelatedTo--> Strength <--DerivedFrom-- Strengthen 
Sandwich --IsA--> Insert <--IsA-- Feed <--RelatedTo--> Lunch <--RelatedTo--> Sack 