Bayesian Network Inference

Answer the following questions. Record your answers in your Reading Journal.

Select the sentence from the belief propagation reading that you feel best indicates why the network must be a polytree to use the algorithm. Briefly (3-5 sentences) explain your selection.
Select the sentence from today's reading that you feel best demonstrates the cause of enumeration's shortcomings. Briefly (3-5 sentences) explain your selection.
Select the sentence or short passage (no more than three sentences please) from the belief propagation reading that you feel best addresses the cause you pointed out above. Briefly (3-5 sentences) explain your selection.