"Oh well," Marie thought as she looked at her new sweater, completely shrunken and wrinkled. Her mom had put it in the washing machine and dryer, when really it needed dry cleaning. "These things happen sometimes," she thought to herself. Luckily, this was the only sweater she'd put in the hamper by accident. She'd have to be more careful, and, at least, her mom was not angry with her about the loss of the sweater.
Which best describes the tone of the story?

optimistic
pessimistic
angry
philosophical