Task: Text Simplification
Input (English): John Laing Group plc ( pronounced " Lang " ) is a British investor , developer and operator of privately financed , public sector infrastructure projects such as roads , railways , hospitals and schools through Public-Private Partnership ( PPP ) and Private Finance Initiative ( PFI ) arrangements .
Output (English): John Laing plc is a British developer and operator of privately financed , public sector infrastructure projects such as roads , railways , hospitals and schools .