Lunch is related to Break. Break is related to Wound. Wound is related to Major. 
Lay is related to Make. Cause is a type of Make. Cause is the opposite of Prevent. Prevention is derived from Prevent. 
Lunch <--RelatedTo--> Break <--RelatedTo--> Wound <--RelatedTo--> Major 
Lay <--RelatedTo--> Make <--IsA-- Cause <--Antonym--> Prevent <--DerivedFrom-- Prevention 