Complex sentence: Costing HK $5,000 to make, the house is not exactly a practical solution to the homeless, but the concept was tried out on street sleepers in Sham Shui Po.
Split into simpler sentences: Costing HK $5,000 to make, the house is not exactly a practical solution to the homeless. However, the concept was tried out on street sleepers in Sham Shui Po.