Question:
Is the sentiment of the following sentence positive or negative? bit of piffle .
Answer:
negative

Question:
Is the sentiment of the following sentence positive or negative? shot in rich , shadowy black-and-white , devils chronicles , with increasingly amused irony , the relationship between reluctant captors and befuddled captives .
Answer:
positive

Question:
Is the sentiment of the following sentence positive or negative? a wonderful subject for the camera
Answer:
positive