Expansion is related to Inflation. Inflation is related to Pump. Heart is a type of Pump. Heart is related to Vital. 
People can be Ridiculous. People is related to Native. 
Expansion <--RelatedTo--> Inflation <--RelatedTo--> Pump <--IsA-- Heart <--RelatedTo--> Vital 
Ridiculous <--HasProperty-- People <--RelatedTo--> Native 