Task: Assign the sentence to a corresponding ordinal class that best reflects the inferred mental state of the writer, based on the intensity of positive or negative sentiment expressed. 2: very positive, 1: positive, 0: neutral, -1: negative, -2: very negative.
Sentence: an inspiring and heart-affecting film about the desperate attempts of vietnamese refugees living in u.s. relocation camps to keep their hopes alive in 1975 .
Intensity class: 