Identify a subring of the ring of integers, denoted as ℤ:
The set of odd integers, denoted as {..., -3, -1, 1, 3, ...}, is not a subring of ℤ.
The set of rational numbers, denoted as ℚ, is not a subring of ℤ.
Baroque art features strong contrasts, while Rococo art prefers more subtle transitions
Baroque art is generally larger in scale than Rococo art

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