Task: Sentiment Analysis
Input (English): This used to be a great food, but they've changed the formula and my dogs have suffered.  Their customer service is very rude.  My dogs showed signs of distress within the first 24 hours of eating the new formula.  Explosive Diaherra, Vomiting, Fur became dull.  Change it back Canidae!!! 
 Polarity: Positive
Output (English): False