Consider a relation parent(X,Y) which means 'X' is a parent of 'Y'

3. (10 points) Consider a relation parent (X, Y) which means 'X' is a parent of Y (a) (5 points) Write all the facts (tuples) that describe the following tree VO V1 V2 V3 V4 V5 (b) (5 points) Consider the following rules for defining ancestor(X, Y): X is an ancestor of Y if X is a parent of Y. X is an ancestor of Y if X is a parent of some Z, and Z is an ancestor of Y. . . Write a datalog program and apply it to find all ancestors of all nodes in the above tree