Cotton is related to Short. Shorts is a form of Short. Shorts is related to Tourist. Tourist is related to Vacation. 
Star is a type of Perform. Star is related to Outer. 
Cotton <--RelatedTo--> Short <--FormOf-- Shorts <--RelatedTo--> Tourist <--RelatedTo--> Vacation 
Perform <--IsA-- Star <--RelatedTo--> Outer 