Complex sentence: Centara Hotels and Resorts Plc is going to spend Bt1 billion to renovate the Sofitel Centara Grand Hotel and Central Plaza Lat Phrao but only if the group's contract is renewed by the State Railway of Thailand.
Split into simpler sentences: Centara Hotels and Resorts Plc is going to spend Bt1 billion to renovate the Sofitel Centara Grand Hotel and Central Plaza Lat Phrao. Only if the group's contract is renewed by the State Railway of Thailand.