Instruct: Classify Amazon reviews into positive or negative sentiment
Query: A bit deceptive....

...in that it is not really setup as two separate workouts. It has chapters 1-4, 5-7, etc. If you jump in at the stability ball point, there is no warmup. If you have 40 minutes to devote to a workout then this is a good one. Not great but good enough for me as a teacher who has the summer off and can do a longer workout June-Aug.