Complex sentence: During their 2013 annual session the ESCAP/WMO Typhoon Committee, announced that the name "Bopha" and "Vicente", would be retired from its naming lists and was replaced by the name "Ampil" and "Lan" respectively.
Split into simpler sentences: During their 2013 annual session the ESCAP/WMO Typhoon Committee, announced that the name "Bopha" and "Vicente", would be retired from the naming lists. The name "Ampil" and "Lan" was chosen to replaced "Bopha" and "Vicente" respectively.