Sarah's weekend routine is quite different from her weekdays. On Saturdays, she volunteers at the local animal shelter in the morning and then meets her friends for lunch. In the afternoon, she enjoys painting or playing video games. Sundays are usually reserved for family time; they often visit grandparents or go for a picnic in the park. In the evenings, she prepares for the upcoming school week. Which of the following activities is part of Sarah's Sunday routine?
A) Volunteering at the animal shelter