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Consider an undirected graph with nodes set {a,b,c,d,e}, and edge set {(a,b), (a,c), (a,d), (a,e)}.
From the above info, you will clearly visualise that the node a is connected to all other nodes.
My question: Which one of the following is the valid Markov Blanket for node a?
Option A) {a,b,c,d,e}
Option B) {b,c,d,e}
