4. (15 p) Create a decision tree using the data in the table given below. Compute only the root node of this decision tree (Which attribute will be the root node?) Show all computations. Decision Attribute 1 A B A . A Attribute 2 1 1 2 1 3 1 1 4 1 1 Attribute 3 D D D D D Yes No No Yes Yes No No Yes Yes No B A A A A