Consider two association rules {A, B} > {C, D} and {A, B, C} > {D} for the same transaction table, where A, B, C, and D are items. Which of the following statements is true?

		The two rules must have the same support, and the confidence of the first rule must be no greater than that of the second rule.
		The support of the first rule is no less than that of the second, and the confidence of the first rule must also be no less than that of the second rule.
		The two rules must have the same support, and the confidence of the first rule must be no less than that of the second rule.
		The support of the first rule is no less than that of the second, and the confidence of the first rule can be less than that of the second rule in some cases.