Complex sentence: The Toronto Real Estate Board (TREB), founded in 1920, is the largest real estate board in Canada with over 43,000 licensed real estate brokers and salespersons operating in the Greater Toronto Area (GTA).
Split into simpler sentences: The Toronto Real Estate Board (TREB) is a real estate board in Canada operating in the Greater Toronto Area. The TREB says it has over 43,000 licensed real estate brokers and salespersons operating in the Greater Toronto Area (GTA).