Please choose the correct solution to the question: How to Train Your Puppy with Simple Commands

Solution1: The key to training is to make each session fun and short. A minute or two for each month of age up to 6 months is a good ballpark figure.

Solution2: The key to training is to make each session fun and long. An hour or two for each month of age up to 6 months is a good ballpark figure.

Answer format: solution1/solution2
Answer: solution1