BRETT_Bsc is related to the BART Presale which appears to be a canceled presale event. No further description details are available at this time. More information may be needed to provide a more comprehensive overview of BRETT_Bsc's purpose and functionality.
MADRABBIT is a group with no provided description. Similar groups named BART Presale exist but have no descriptive information available in the source data. Further investigation is needed to understand the purpose and function of MADRABBIT.
