Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Great....for a little while!

Loved this idea of a small, one cupper into a travel mug. You can make a cup right into any mug, actually. However, after only a few months of use it has started to leak quite a bit. I now have to set the coffee maker on a kitchen towel to sop up all the water that drains out of the base of the unit. It's still working otherwise, but what a mess!