Pitch is a synonym of Delivery. Delivery is related to Mail. Mail is related to Deliver. Deliver is a synonym of Rid. 
Age is related to Number. Number is related to Sign. Sign is related to Display. Display is a type of Demonstration. 
Pitch <--Synonym--> Delivery <--RelatedTo--> Mail <--RelatedTo--> Deliver <--Synonym--> Rid 
Age <--RelatedTo--> Number <--RelatedTo--> Sign <--RelatedTo--> Display --IsA--> Demonstration 