Rule can be used for Guide. Rub is a type of Guide. Rub is related to Stroke. 
you are likely to find Outside in/at/on Lawn. you are likely to find Potato in/at/on Outside. Potato is related to French. French is related to Salt. 
Rule --UsedFor--> Guide <--IsA-- Rub <--RelatedTo--> Stroke 
Lawn <--AtLocation-- Outside <--AtLocation-- Potato <--RelatedTo--> French <--RelatedTo--> Salt 