1. The dog wagged its tail excitedly as it saw its owner approach. (Consistent use of "it" to refer to the dog)
2. Sarah and her friends went to the park, where they played frisbee and enjoyed the sunshine. (Consistent use of "they" to refer to Sarah and her friends)
3. The cat curled up on the sofa, purring contentedly as it watched its human read a book. (Consistent use of "it" to refer to the cat)
4. John finished his homework and then went outside to play basketball with his friends. (Consistent use of "his" to refer to John's possessions)
5. The children giggled as they rode the carousel, their faces lit up with joy. (Consistent use of "they" and "their" to refer to the children)
6. The artist carefully mixed the paints, adding a touch of red to create the desired effect. (Consistent use of "the artist" and "it" to refer to the artist and the painting)