Increase is related to Measurement. Measurement is related to Weight. Weight is related to Density. 
Idea is related to Original. Original is a type of Model. Model is a synonym of Sit. 
Increase <--RelatedTo--> Measurement <--RelatedTo--> Weight <--RelatedTo--> Density 
Idea <--RelatedTo--> Original --IsA--> Model <--Synonym--> Sit 