Instruct: Classify the given Amazon review into positive or negative sentiment.
Query: It must be from a coconut that has gone bad

I started with Vita a week ago, and decided to try all three top brands. Zico is my second try. Although I don't like Vita that much, Zico is definitely worse.Zico coconut water is not sweet at all, which usually is a plus for soft drinks, except this time. It has a sour after taste and your tongue feels dull, NOT refreshing at all.Stay away from this brand.