Answer: Millennial group
Explanation: Millennial group is the group that has the people who are having young adulthood at the time of the 21 century times. This generation is referred as the Generation Y that comes after the Generation X.
Stana belongs to this group of people as she is involved in the online network services and like to have friends through it and prefers to walk over driving. The behavior of having good connection with people and being less focused over using every comfort is trait of millennial times.
