There are boy's and girl's basketball
Baseball for boys...
...Softball for girls.
Boys and girls have equal OPPORTUNITY
The percentage of students and athletes of each gender are very much the same.
People may disagree, and they have a point:
Look at the posters:
Boys have more significant photos.
But if we count the photos carefully, we would find 5 photos of boys, and 6 photos of girls.
Girls' and Boys' have different basket balls.