Garden is related to Flower. Flower is a synonym of Cream. Cream is related to Silk. Silk is related to Pie. 
Add is related to Mathematics. Mathematics is related to Number. Majority is a type of Number. Majority is a type of Age. 
Garden <--RelatedTo--> Flower <--Synonym--> Cream <--RelatedTo--> Silk <--RelatedTo--> Pie 
Add <--RelatedTo--> Mathematics <--RelatedTo--> Number <--IsA-- Majority --IsA--> Age 