Which one of the following statement is false?

1. A.

   Any relation with two attributes is in BCNF.

2. B.

   A relation in which every key has only one attribute is in 2NF.

3. C.

   A prime attribute can be transitively dependent on a key in a 3NF relation.

4. D.

   A prime attribute can be transitively dependent on a key in a BCNF relation.

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