yeild.cs

private IEnumerable<string> ProcessScores()
{
    yield return Win();
    yield return Advantage();
    yield return ScoreNormal();
    yield return person2.ScoreOpponentHasntScored(person1);
    yield return person1.ScoreOpponentHasntScored(person2);
    yield return ScoreTie();
    throw new Exception("Unreachable code was executed");
}