Is the affective stance of the input text positive?

Input Text: Britney: Lady Gaga's here tonight. Me: WHAT? *Watches Gaga the rest of the night *  Me: Who's concert was that ? I forgot. ;D
Britney: Lady Gaga's here tonight. Me: WHAT? *Watches Gaga the rest of the night *  Me: Who's concert was that ? I forgot. ;D