Which of these is a statement of opinion?
A:Autumn's activism for Indigenous water rights has earned her the nickname "water warrior."
B:Lesein's "Trees for Goals" program is a practical and inventive solution to a significant problem.
C:Autumn's activism was inspired by a sign on Ontario Indigenous lands that said "Toxic Water."
D:Lesein's "Trees for Goals" program was adopted by his school's rugby and basketball teams.