Please choose the correct solution to the question: how to clean keurig

Solution1: Fill the water reservoir halfway with ammonia. Add water: Fill the reservoir the rest of the way with water. Run the machine: Start the brew cycle without inserting a K-cup. Repeat until reservoir is empty, discarding the mug contents after each brewing cycle

Solution2: Fill the water reservoir halfway with vinegar. Add water: Fill the reservoir the rest of the way with water. Run the machine: Start the brew cycle without inserting a K-cup. Repeat until reservoir is empty, discarding the mug contents after each brewing cycle

Answer format: solution1/solution2