In regards to sports and physical education, which of the following does not pertain to the Title IX of the Education Amendments of 1972?
1) Physical education classes may group students by ability using objective standards of individual performance applied without regard to gender.
2) No person on the basis of gender can be excluded from participation in, be denied the benefits of, or be subjected to sex discrimination under any program or activity federal funding.
3) In physical education classes, separation by gender is prohibited during contact sports using appropriate standards, such as skill and fitness norms.
4) Portions of classes dealing with human sexuality may be conducted separately for males and females.