A OR B EITHER ONE I THINK:)
A) they allow an athlete to exercise longer
(i just took the quiz)
First is contractions get stronger, then the baby is born, then umbilical cord is cut and lastly the placenta is pushed out.
I'd say the answer is A. As a form of proof that the product does what it claims to do by providing evidence.
I think they plan a Special Learning Plan or for short an S.L.P