60 Junction Tree Junction tree is a subgraph of the clique graph satisfying the running intersection property X1X2X3X1X2X3 X2X5X6X2X5X6 X2X3X5X2X3X5 X2X3X2X3 X2X5X2X5 X2X2 X2X5X6X2X5X6 X2X4X2X4 X1X2X3X1X2X3 X2X3X5X2X3X5 X2X4X2X4
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