Current State ID: 10
Current State Description: The hand is empty. Block 'a' is clear and on the table. Block 'b' is clear and on the table. Block 'c' is clear and on the table. Block 'd' is clear and on the table.

Child State ID: 16
Action Taken: pick-up(c)
State Description: The hand is holding block 'c'. Block 'a' is clear and remains on the table. Block 'b' is clear and remains on the table. Block 'd' is clear and remains on the table. Block 'c' is no longer on the table and is in the hand. The hand is no longer empty.

Child State ID: 17
Action Taken: pick-up(a)
State Description: The hand is holding block 'a'. Block 'b' is clear and on the table. Block 'c' is clear and on the table. Block 'd' is clear and on the table. Block 'a' is no longer on the table; it is in the hand.

