The 3 scenarios below are frequent patterns (itemsets) withconstraints: (anti-monotone, monotone, succinct, convertible,etc.). State the characteristics of each constraint and brieflyexplain how to mine such patterns efficiently: Scenario a. Theprice difference between the most expensive item and the cheapestone in each pattern must be less than or equal to $90. Scenario b.The average price of all the items in each pattern is less than$20. Scenario c. The sum of the price of all the items (in eachpattern) is between $100 and $200.
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