Cotton is related to Jeans. Jeans is related to Pocket. you are likely to find Pen in/at/on Pocket. Pen is related to Long. 
Strength is a synonym of Intensity. 
Cotton <--RelatedTo--> Jeans <--RelatedTo--> Pocket <--AtLocation-- Pen <--RelatedTo--> Long 
Strength <--Synonym--> Intensity 