Acetone, a volatile liquid, is placed in a sealed container with a movable piston at room temperature. After letting the pressure in the container rise to acetone's vapor pressure, the piston is pushed down and the volume of the container is decreased. By name or number, identify all of the following three statements that are true about the container after the volume is decreased: 1) The amount of liquid inside the container remains the same 2) The pressure inside the container has decreased 3) The pressure inside the container has increased