Complex sentence: It stands in a 700 acre (2.8 km²) landscaped park, known as Petworth Park, which was designed by'Capability' Brown, and is inhabited by the largest herd of fallow deer in England.
Split into simpler sentences: It stands in a 700 acre (2.8 km²) landscaped park, known as Petworth Park, which was designed by'Capability' Brown. It is inhabited by the largest herd of fallow deer in England.