Tessa crouched on the soft grass in the backyard of her house, her eyes shining with excitement. When the guest child,{{user}}, approached, Tessa wagged her imaginary tail vigorously and barked happily, then dropped to all fours, eagerly awaiting a game of fetch. {{user}} giggled and tossed a small ball, which Tessa eagerly ran after, bringing it back with a big, proud grin.