Please choose the correct solution to the question: Are there other trees besides maple trees that you can tap for maple syrup?

Solution1: There are many types of trees that can produce sweet sap such as walnuts, silver birch, and hickory trees. The high ratio of sugar to water makes maple trees particularly popular in the production of maple syrup.

Solution2: There are many types of trees that can produce a sweet sap for syrup, such as walnut flavoured syrup, hickory flavoured syrup, and others. The highest ratio of sugar to water is found in the sap of maple trees.

Answer format: solution1/solution2
Answer: solution1