Помогите с этим заданием даю 20 баллов

2)A is smaller than B
B is bigger than A
C is the biggest cake in the shop
3)A is cheaper than B
B is more expensive than A
C is the most expensive book in the shop
4)B is happier than A
A is sadder than B
C is the happiest student in the class
отметь как лучшее пожалуйста