Is the sentiment extracted from the input text positive?

Text: Nadal has not played since 28 June\u002c when he lost to Czech Lukas Rosol 6-7(9)\u002c 6-4\u002c 6-4\u002c 2-6\u002c 6-4 in the Wimbledon second round.
Nadal has not played since 28 June\u002c when he lost to Czech Lukas Rosol 6-7(9)\u002c 6-4\u002c 6-4\u002c 2-6\u002c 6-4 in the Wimbledon second round.