"Lisa," said Kyle, "I need help moving this box of toys for the garage sale. Will you help me?" "Sure!" Lisa put her book down and moved to lift one end of the box for her brother. She glanced down into the box. "Hey!" she exclaimed. "You can't give away your Harry Potter collection!" "Well, I am not taking them to college with me." Kyle smiled at his little sister. "Do you want them?" This conversation between characters is an example of __________________________