What Relationship Pattern Is Illustrated in the Following Schema

Multiple Choice

What relationship pattern is illustrated in the following schema?
PRODUCT (ProductID,Description)
SUPPLIER (SupplierID,ContactName,PhoneNumber)
PRODUCT_SUPPLIER (ProductID,SupplierID,Cost)
ProductID in PRODUCT_SUPPLIER must exist in ProductID in PRODUCT
SupplierID in PRODUCT_SUPPLIER must exist in SupplierID in PRODUCT

A) Association relationship
B) Intersection relationship
C) Recursive relationship
D) Strong entity relationship
E) Supertype/subtype relationship