Does the input text display a negative sentiment?

Text Input: "Don't miss the Tron Reunion with Cindy Morgan, @user and Bruce Boxleitner, @user at Phoenix Comicon in May! #phxcc ~SM"
"Don't miss the Tron Reunion with Cindy Morgan, @user and Bruce Boxleitner, @user at Phoenix Comicon in May! #phxcc ~SM"