Question: Given a directed acyclic graph ( DAG ) characterizing the causal relationships among the variables of a Bayesian Network ( BN ) as shown in

Given a directed acyclic graph (DAG) characterizing the causal relationships among the variables of a Bayesian Network (BN) as shown in the figure below.
Answer the following questions:
A. Are A and D conditionally independent given that F has been observed? Explain. [5pts]
B. Are D and F conditionally independent given that E has been observed? Explain. [5pts]
C. Given that C has been observed, which nodes among (A, B, E, F) are conditionally independent of D. Explain. [5pts]
D. Given that C has been observed, which nodes among (B, D, E, F) are conditionally independent of A. Explain. [5pts]
Given a directed acyclic graph ( DAG )

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