Parent State ID: 1
State Depth: 2
Action Taken: stack(blockD, blockC)
Action Reasoning: To achieve the goal of having block D on block C, the best action is to stack block D onto block C, as block C is currently clear and ready to support a block.
State Description: Block A is on the table and clear. Block B is on block C and clear. Block C is on the table and supports block B. Block D is on block C and clear. The hand is empty.
Action Path: ['pick-up(blockD)', 'stack(blockD, blockC)']

INACTIVE REASON: deactivated because diagram generation failed or invalid action chosen: 
