Expand is a type of Grow. Grow is related to Cotton. Cotton is related to Dress. Dress can be Dark. 
Sum is related to Product. Product is related to Outcome. 
Expand --IsA--> Grow <--RelatedTo--> Cotton <--RelatedTo--> Dress --HasProperty--> Dark 
Sum <--RelatedTo--> Product <--RelatedTo--> Outcome 