On Christmas Eve, Ms. O is surprised to learn from Santa that she is on his naughty list. Santa shows her that she has performed more naughty actions than nice actions and explains his use of the "greater than" symbol. Unless she performs more nice actions than naughty actions before Christmas, Ms. O will not receive any presents.
Mr. Steward explains that the Box is testing the general population's abilities to sacrifice their own desires for the good of someone else. He explains the test in terms of the altruism coefficient; if enough people refuse the box's million dollar gift to save a life, they shall pass the test.