This is a question with answer options. Goal: Sun tea

Which of the following methods is more reasonable for accomplishing this goal?

Possible answers:
(a). Fill a pitcher or a large glass container with water. Place tea bags, sweetener, slices of lemon and oranges in the sun for 4-5 hours to make tea. Serve with ice cubes.
(b). Fill a pitcher or a large glass container with water. Place tea bags, sweetener, slices of lemon and oranges in the sun for 4-5 hours to make teak Serve with nice tubes....I think the answer is
(a).