Complex sentence: As part of the subsequent extension of the franchise until April 2017, Virgin Trains is looking at further enhancements to the Pendolinos the 21 nine-carriage sets will each have one first class carriage converted to standard class.
Split into simpler sentences: As part of the subsequent extension of the franchise until April 2017, Virgin Trains is looking at further enhancements to the Pendolinos. The 21 nine-carriage sets will each have one first class carriage converted to standard class.