Complex sentence: Baden-Powell House, colloquially known as B-P House, is a Scouting hostel and conference centre in South Kensington, London, which was built as a tribute to Lord Baden-Powell, the founder of Scouting.
Split into simpler sentences: Baden-Powell House, colloquially known as B-P House, is a Scouting hostel and conference centre. The Baden-Powell House in South Kensington, London, was built as a tribute to Lord Baden-Powell, the founder of Scouting.