Instruct: Classify Amazon reviews into positive or negative sentiment
Query: A troublesome way to learn someone loves you.

From the time they were born, Caroline had an advantage over Sara Louis. The few moments Sara Louis ever thought of as wonderful were the ones before her twin Caroline was born. Yet once she goes out to conquer her dreams of being a doctor, she finds there was more love for her both in her home and out than she could imagine. She learns that there was always more love for her than for Caroline. Her life becomes what it would have been had Caroline not been born except that she still had Caroline for a sister.