The Incidence of Breast Cancer Varies Depending on a Woman's

The incidence of breast cancer varies depending on a woman's age. The National Cancer Institute gives the following probabilities for a randomly chosen woman in her 50s who takes a mammography to screen for breast cancer:
The sensitivity of a screening test is the ability of the test to appropriately give a positive result when the person tested has a given disease. Which of the following is the correct notation for the sensitivity of a screening test?

A) P(Positive test | Disease)
B) P(Disease | Positive test)
C) P(Disease and Positive test)
D) P(Positive test or Disease)