Planning is related to Event. Burning is a type of Event. Cigarette can be used for Burning. 
Street is related to Lane. you are likely to find Lane in/at/on Town. you are likely to find Mayor in/at/on Town. 
Planning <--RelatedTo--> Event <--IsA-- Burning <--UsedFor-- Cigarette 
Street <--RelatedTo--> Lane --AtLocation--> Town <--AtLocation-- Mayor 