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NutritionFact serving Size double Seliable Food price, double AA expiry string Shirt IceCream size: string flavour string Figure C-1 Consider the class diagram in Figure C-1. Based on the class diagram answer the following questions: a. Determine the pairs of classes or a group of classes that form the relationship according to the questions below. If there is no such relationship in the class diagram, then write your answer as No such case. i. Name TWO(2) pairs of classes that form a single inheritance relationship. ii. Name a pair of classes that form a composition relationship. iii. Name a pair of classes that do not form any relationship, (7 marks) b. Write a code segment in C++ that implements these THREE (3) classes: NutrionFact, Food, and IceCream. Your implementation does not need to include any methods including constructors. (8 marks)