Writing for 10+, Riddle of.....

I took Josie to a writing class - after explaining how to develop characters, we were given two squares of paper and to write a noun on each one. I wrote bee keeper and janitor, Josie doctor and horse. I received back teenage girl and girl, Josie - pilot and astronaut. We had 20 minutes to start writing. Tousled hair flying in the wind, the teenage girl ran down the beach, long limbs flashing in the moonlight. Lights from the bungalows sprayed their glow on the hill above her. A dog dashed out of the dark, his fur rippling, as he took a stance in front of her. She stopped and drew a breath, and looking at the dog, debated her next move. "Rango, where are you?", a voice on the ridge called. The teenager returned with, "He is down here." A little girl of about 8 years of age appeared.....