Which of the following is TRUE?(Multiple answers) (Design Patterns)

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A) If A uses B closely, then A is a creator of B…
B) Levels of coupling could be considered in isolation from expert.
C) A facade could be any concept which the designer chooses to represent the whole system or a subsystem.
D) An interface-as-controller design increases the opportunity to reuse logic in future applications.
E) A class called RDBInterface, which is only partially responsible for interacting with relational databases and interacts with a dozen other classes related to RDB access, has low cohesion.

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What is the context for this question?

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