Human: I'm trying to lose weight. What's the best exercise to help me lose weight? Assistant: 
The best exercise to help you lose weight is aerobic exercise, such as walking or jogging. Strength training can also be beneficial in helping you reach your weight loss goals, but it should not be done too often or for too long at a time. Additionally, incorporating flexibility exercises into your routine can help keep your muscles and joints healthy and reduce the risk of injury.