If structure

ifstructure.cs

string result;
result = Win();
if (result != null)
{
    return result;
}
result = Advantage();
if (result != null)
{
    return result;
}
result = ScoreNormal();
if (result != null)
{
    return result;
}
result = ScorePerson1();
if (result != null)
{
    return result;
}
result = ScorePerson2();
if (result != null)
{
    return result;
}
result = ScoreTie();
return result;