Complex sentence: They drive up on a beautiful old large house and as Ben inspects the property and tells his realtor it's the perfect home, the realtor tries to explain that the situation is "complicated", when they hear a lion roar outside.
Split into simpler sentences: They drive up to a beautiful old large house and Ben inspects the property, telling his realtor it's the perfect home. As he tries to explain that the situation is "complicated", they hear a lion roar outside.