Does the input text have a positive sentiment?

Given Text: "Well done to the Deloitte #2012BCTWF winners appearing in the Sunday Times. #VirginActiveSA, #MiWay and #Strate are the best employers in SA"
"Well done to the Deloitte #2012BCTWF winners appearing in the Sunday Times. #VirginActiveSA, #MiWay and #Strate are the best employers in SA"