sentences:  These included issues with trains rolling back on the lift hill and issues with the brakes.Since 2017, the Bob closed down during rain, as the brakes were unable to stop the trains when the track was wet.In October 2018, the Bob reopened and it was announced that it was going to close down permanently on 1 September 2019 to make place for the powered coaster Max & Moritz, based on the German tale of the same name.