Problem Description	Option A Score of “5” to “1” Represents a Gradual Decrease in Harmony, Comfort and Satisfaction.
Do you think the sound of the national park is harmonious?	☐ 5 ☐ 4 ☐ 3 ☐ 2 ☐ 1
Do you think the sound of the national park is comfortable?	☐ 5 ☐ 4 ☐ 3 ☐ 2 ☐ 1
Are you satisfied with the sound you heard in the national park?	☐ 5 ☐ 4 ☐ 3 ☐ 2 ☐ 1