Lunch is related to Work. Assist is a type of Work. Assist is related to Offer. Offer is related to Make. 
Weapon is a type of Device. Weapon can be used for Destruction. Destruction is related to Damage. 
Lunch <--RelatedTo--> Work <--IsA-- Assist <--RelatedTo--> Offer <--RelatedTo--> Make 
Device <--IsA-- Weapon --UsedFor--> Destruction <--RelatedTo--> Damage 