Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Thank you Dr. Glickman!

Optimal Thinking is for rational, soulful people who want to make the most of every moment and live their best life. Optimal Thinking is all we need to make the most of our thinking, feelings, business life and relationships.Thank you Dr. Glickman for giving me this simple universal tool to optimize everything within my control, and making me aware of the Optimal Thinking global community.