Complex sentence: RMS "Mooltan" was an ocean liner and Royal Mail Ship of the Peninsular and Oriental Steam Navigation Company (P&O), which ordered "Mooltan" and her sister from Harland and Wolff Ltd on 29 November 1918.
Split into simpler sentences: RMS "Mooltan" was an ocean liner and Royal Mail Ship of the Peninsular and Oriental Steam Navigation Company (P&O). P&O ordered "Mooltan" and her sister from Harland and Wolff Ltd on 29 November 1918.