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Given only the following excerpt of an E - R model: Which of the following is known to be true? Question 4 options: There are

Given only the following excerpt of an E-R model:
Which of the following is known to be true?
Question 4 options:
There are more instances of ENTITY A than there are instances of ENTITY B in the user's environment.
A single instance of ENTITY B may be related to many instances of ENTITY A.
A single instance of ENTITY A must be related to many instances of ENTITY B.
ENTITY A has a minimum cardinality of one.

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