question: Review:
, overall it 's an entertaining and informative documentary .
Is this review negative or positive?

answer: positive

question: Review:
shanghai ghetto , much stranger than any fiction , brings this unknown slice of history affectingly to life .
Is this review negative or positive?

answer: positive

question: Review:
is a dazzling , remarkably unpretentious reminder of what ( evans ) had , lost , and got back .
Is this review negative or positive?

answer:
positive