Please choose the correct solution to the question: Activate the yeast.

Solution1: Place a cup of milk in a microwave safe bowl and add in a cup of milk with a three teaspoons of sugar. Heat it for 2 minutes until warm. Open yeast packet and pour into the milk. Stir with a spoon and let sit for an hour.

Solution2: Place a cup of milk in a microwave safe bowl and add in a cup of milk with a three teaspoons of salt. Heat it until boiling. Open yeast packet and pour into the milk. Stir with a spoon and let sit for an hour.

Answer format: solution1/solution2
Answer: solution1