<human>:  What is the best diet for a weight loss plan?
<bot>: The best diet for a weight loss plan is one that is low in calorie but high in nutrients, with plenty of fruits, vegetables, and whole grains. Try to avoid processed foods, sugar-laden beverages, and unhealthy fats. Make sure to include lean proteins such as fish, chicken, eggs, or beans, and include some healthy fats like olive oil and avocados. Drink plenty of water and be sure to stay active with regular exercise.