Is the mood of the input text neutral?

Text: Long Princeton (and Diggy)  #imagine : Happy Valentine\u2019s day (yn)...      February 14  It\u2019s been 9 m via @user
Long Princeton (and Diggy)  #imagine : Happy Valentine\u2019s day (yn)...      February 14  It\u2019s been 9 m via @user