Combine each pair of sentences, using a suitable relative pronoun which, who, or whose.

1. My family spent four days in India. Its culture is unique.

2. Organising self-guided tours helps develop personal skills. They are important for everybody.

3. Russel stayed in a hotel in Bui Vien Street. It is one of the best streets for foreign tourists.

4. After the Muay Thai Show, my sons talked to the artists. They admired their performance so much.

5. We participated in a lot of activities with the local people. They were friendly and helpful.