Is the input text filled with negative sentiment?

Text: @user \u2019These birds dont buy the sun\u2019 banner at the Carling Cup Final for Mikey Dye and the 96 #DontBuyTheSun
@user \u2019These birds dont buy the sun\u2019 banner at the Carling Cup Final for Mikey Dye and the 96 #DontBuyTheSun