Of the following rules that are followed by an AA-tree, which of the following is incorrect?1- Only right children can be red2- Procedures are coded recursively3- Instead of storing colors, the level of a node is stored4- There should not be any left children

Of the following rules that are followed by an AA-tree, which of the f

1.	Of the following rules that are followed by an AA-tree, which of the following is incorrect?1- Only right children can be red2- Procedures are coded recursively3- Instead of storing colors, the level of a node is stored4- There should not be any left children
A.	1
B.	2
C.	3
D.	4
Answer» E.