Demand is a type of Activity. Activity is related to Grow. Twin is a type of Grow. Twin is a synonym of Counterpart. 
Crowd is a synonym of Crew. Crew is related to Short. 
Demand --IsA--> Activity <--RelatedTo--> Grow <--IsA-- Twin <--Synonym--> Counterpart 
Crowd <--Synonym--> Crew <--RelatedTo--> Short 