A student cheating on an exam is discovered by the college's proctor teacher. If the teacher reports the matter to the school, the student will be fired from the school; if the student is fired, the college's year-end assessment will be rejected by a vote. If the teacher does not report the matter Students will cheat on exams. It can be inferred from this:. ["If the college's year-end assessment is not rejected by one vote, student cheating will become more and more serious.", "If the college's year-end assessment is rejected by one vote, cheating will not worsen.", 'If the student is fired, the teacher has reported the matter to the school.', 'If cheating worsens, the student has not been fired.']