Task: Evaluate and classify the sentence into an ordinal scale that captures the inferred mental state of the writer, considering the intensity of sentiments ranging from very positive to very negative. 2: very positive, 1: positive, 0: neutral, -1: negative, -2: very negative.
Sentence: the film is faithful to what one presumes are the book 's twin premises -- that we become who we are on the backs of our parents , but we have no idea who they were at our age ; and that time is a fleeting and precious commodity no matter how old you are .
Intensity class: 