Current State ID: 1
Current State Description: There are four blocks: a, b, c, and d. The hand is holding block c. Block a is on the table. Block d is on top of block a and is now clear. Block b is on the table and is clear. Block c is no longer on block d and is not clear.

Child State ID: 3
Action Taken: put-down(c)
State Description: There are four blocks: a, b, c, and d. The hand is empty. Block a is on the table. Block d is on top of block a and is clear. Block b is on the table and is clear. Block c is now on the table and clear.

