Element is a synonym of Part. Part is related to Toe. Toe is related to Body. Immigration is a type of Body. 
Episode is a type of Broadcast. Episode is related to Show. Show is a synonym of Demonstrate. Demonstrate is related to Demonstration. 
Element <--Synonym--> Part <--RelatedTo--> Toe <--RelatedTo--> Body <--IsA-- Immigration 
Broadcast <--IsA-- Episode <--RelatedTo--> Show <--Synonym--> Demonstrate <--RelatedTo--> Demonstration 