Is the sentiment reflected in the input text neutral?

Input: Happened upon #LoveAndHappiness #AnObamaCelebration on @user #ThankYouObama ... #Seriously #YouWillBeMissed #BlessYou #Love #Classy #Honor
Happened upon #LoveAndHappiness #AnObamaCelebration on @user #ThankYouObama ... #Seriously #YouWillBeMissed #BlessYou #Love #Classy #Honor