task: Relocate red block to the middle and place green block on it.


task: Use the left arm for red block, place it in the center, then use the right arm to stack green block above red block.


task: Pick up red block with the left arm and green block with the right arm, move both to the table's center and stack green block over red block.


task: Center red block using the left arm, then stack green block with the right arm on top.


task: Set red block in the center, then position green block on top of it.


task: Move red block and green block to the center, then stack green block above red block.


task: Shift red block and green block to the center, then position green block on red block.


task: Move red block to the middle and put green block on top of it.


task: Pick up red block with the right arm and green block with the right arm, move both to the table's center and stack green block over red block.


task: Move red block and green block to the center; stack green block on top of red block.


task: Relocate red block and green block to the center, then layer green block over red block.


task: Place red block and green block together at the center, then stack green block on top.


task: Place red block and green block in the center, then stack green block above red block.


task: Set red block at the center, then stack green block over red block after placing it alongside.


task: Grab red block, set it in the center, then stack green block over it.


task: Relocate red block and green block to the table's midpoint, and stack green block on top of red block.


task: Set red block and green block at the table's center, then stack green block on red block.


task: Shift red block to the center and place green block on top.


task: the left arm takes red block, sets it in the center, the right arm places green block on red block.


task: Place red block and green block centrally, then stack green block on red block.


task: Shift red block and green block to the middle, then stack green block over red block.


task: Use the left arm to move red block and the right arm to move green block to the center, then place green block onto red block.


task: Use the left arm to move red block and the right arm to position green block.


task: the left arm moves red block to the center, the right arm stacks green block onto red block.


task: Move red block with the left arm, then stack green block on it using the left arm.


task: Grab red block using the left arm, position it at the center, and do the same for green block using the right arm, stacking green block on red block.


task: Position red block at the center and stack green block above it.