Task: Determine the valence intensity of the sentence, indicating a degree of positivity or negativity on a scale from 0 (strongly negative) to 1 (strongly positive), reflecting the emotional content expressed.
Sentence: It uses an old-time formula , it 's not terribly original and it 's rather messy -- but you just have to love the big , dumb , happy movie My Big Fat Greek Wedding .
Intensity score: 