Complex sentence: Each year the bar is run by a student group committed to the legacy of alumnus Charles Salisbury, whose donation created the service; according to legend, Salibury set a condition requiring the establishment of a bar for the residents.
Split into simpler sentences: Each year the bar is run by a student syndicate committed to the legacy of alumnus, Charles Salisbury, whose donation created the service. Allegedly Salibury set a condition requiring the establishment of a bar for the residents.