Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Moldy Probars

I recently discovered mold growing on more than one pricey, freshly opened PB&J; Probar with an expiry of July 2012. The packaging did not appear to be compromised in any way. Also read of similar experience here: [...]Needless to say, I won't be purchasing more Probars any time soon.