Cardinality ratios often dictate the detailed design of a database. The cardinality ratio depends on the real-world meaning of the entity types involved and is defined by the specific application. For the binary relationships below, suggest cardinality ratios based on common-sense meaning of the entity types. Clearly state any assumptions you make.

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Entity l Student 2. Sudent Cardinality Ratio Entity2 SocialSecurityCard Teacher Wall CurrentPresident TextBook 3. ClassRoom 4.Country Course Item (that can be found in an order) Order 7. Student Class Class Instructor Office E-bay bid Instructor 10. E-bay Auction item