Is the attitudinal sentiment of the input text positive?

Text: "THAT moment when #SFGiants' Buster Posey celebrated his RBI single against the #STLCards -- GAME 5 tomorrow, 5:07 pm
"THAT moment when #SFGiants' Buster Posey celebrated his RBI single against the #STLCards -- GAME 5 tomorrow, 5:07 pm