Complex sentence: Once in Paris, Lorelei and Dorothy arrive at thier hotel but they are refused entry and are greeted by Mrs Beekman and her insurer who adivse the pair that the tiara is stolen and they would like it back or they must face criminal charges.
Split into simpler sentences: Once in Paris, Lorelei and Dorothy arrive at their hotel but they are refused entry. Mrs. Beekman and her insurer tell them that the tiara is stolen and they must return it or face criminal charges.