Complex sentence: The charges were dropped after she met the terms of probation and completed an alcohol education program, however, her drinking continued and in May 1997 she entered an alcohol rehabilitation program for two and a half months.
Split into simpler sentences: The charges were dropped after she met the terms of probation and completed an alcohol education program. Her drinking continued, however, and in May 1997 she entered an alcohol rehabilitation program for two and a half months.