Lelani is waiting in line for tickets to a lecture on global warming. She is a member of her college’s Green Coalition, a group that looks at ways global warming can be reduced on campus. She sees some members of a group with beliefs antithetical to the Green Coalition’s waiting in line for tickets to a different event. People often comment on her eyes, which are two different colors. Which of the following groups mentioned in this scenario comprises an aggregate? A: individuals with eyes which are two different colors
B: ticket buyers
C: her fellow college students
D: members of the Green Coalition plus members of the group with disparate beliefs