20. Consider the belief network structure given in the following image. Even though the actual probability tables are not given, you can still identify the one claim that is guaranteed to be true...

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Extracted text: 20. Consider the belief network structure given in the following image. Even though the actual probability tables are not given, you can still identify the one claim that is guaranteed to be true merely from the structure of this network. Which one is it? A В C D-F H E G (a) B is independent of C. (b) A is conditionally independent of D, given G. (c) B is conditionally independent of C, given A and F. (d) F is conditionally independent of B, given D and C.