Product is related to Material. Material is related to Gold. 
Plea is a type of Answer. Answer is related to Guess. Predict is a type of Guess. Predict is related to Expect. 
Product <--RelatedTo--> Material <--RelatedTo--> Gold 
Plea --IsA--> Answer <--RelatedTo--> Guess <--IsA-- Predict <--RelatedTo--> Expect 