Please choose the correct solution to the question: To pour concrete into a mold.

Solution1: Tip the concrete container so that the the concrete flows out of the container and into the mold. Keep on pouring until the mold is full.

Solution2: Use your hands to scoop the concrete out of the container and then dump it into the mold. Keep on putting concrete into the mold until it's full.

Answer format: solution1/solution2