Current State ID: 3
Current State Description: Block a is on block b, block c is on the table, and block d is on the table. Blocks a, c, and d are clear. The hand is empty.

Child State ID: 5
Action Taken: pick-up(c)
State Description: Block a is on block b, block c is held in the hand, and block d is on the table. Blocks a and d are clear. The hand is holding block c.

