Leather is related to Cow. you are likely to find Cow in/at/on Grass. Lawn is a type of Grass. 
Tea is related to Equivalent. Equivalent is a synonym of Counterpart. Match is a type of Counterpart. 
Leather <--RelatedTo--> Cow --AtLocation--> Grass <--IsA-- Lawn 
Tea <--RelatedTo--> Equivalent <--Synonym--> Counterpart <--IsA-- Match 