When she saw her parents' car coming into the park, Sandy quickly put on a pair of shorts and halter top and went out to flag them in. However, as they drove into the park, she realized that there was no longer any reason to be wearing her clothes. She took off her halter top. There was a long silent moment, and then she heard her mother's stern voice saying, "Sandra, what are you doing? I hope you know I'm keeping my long T-shirt on."...