Momentum is related to Move. Move is a synonym of Influence. Purchase is a type of Influence. 
Camp is related to Cabin. Cabin is related to Home. Home is related to Mom. 
Momentum <--RelatedTo--> Move <--Synonym--> Influence <--IsA-- Purchase 
Camp <--RelatedTo--> Cabin <--RelatedTo--> Home <--RelatedTo--> Mom 