Current State ID: 2
Current State Description: Block c is now held in the hand and is no longer on block b. Block b is clear and remains on the table. Block a and block d are unchanged, with block d still on block a. The hand is not empty.

Child State ID: 5
Action Taken: put-down(c)
State Description: Block c is now on the table and clear. Block b remains clear and on the table. Block a and block d are unchanged, with block d still on block a. The hand is empty.

