Is the input text characterized by negative sentiment?

Input: "FREE Tickets for the National Day of Prayer w/Pres. Noynoy.Call 3747618 look for Mae. Nov 9, 8-11AM at the SMART Araneta Coliseum."
"FREE Tickets for the National Day of Prayer w/Pres. Noynoy.Call 3747618 look for Mae. Nov 9, 8-11AM at the SMART Araneta Coliseum."