Current State ID: 16
Current State Description: Block d is now on the table and clear. Block a is clear and on the table. Blocks b and c remain clear and on the table. The hand is empty.

Child State ID: 25
Action Taken: pick-up(a)
State Description: Block a is held in the hand. Blocks b, c, and d remain clear and on the table. The hand is no longer empty.

