Consider the following dataset with ten total transactions (or itemsets):
TID Items
1 a,b
2 b, c, d
3 p, a, e
4 a, p, e
5 a, b, c
6 a, b, c, d
7 a, b, c
8 p, q, e
9 b, c, e
There are altogether five items: a, b, c, d, and e. Find all frequent itemsets (or patterns) with Apriori if min_support is 2.