Complex sentence: In 20 May 2001,SPH MediaWorks Channel i launched as SPH MediaWorks TVWorks until since 1 January 2005,this channel was inactive because the operator, SPH MediaWorks merged with MediaCorp TV, MediaCorp TV12, and MediaCorp News.
Split into simpler sentences: In 20 May 2001, SPH MediaWorks Channel i launched as SPH MediaWorks TVWorks. In New Year's Day on 2005, this channel was inactive because the operator, SPH MediaWorks merged with MediaCorp TV MediaCorp TV12 and MediaCorp News.