Choose your answer: is the following review positive or negative?

These pizzas used to be really good. Great sauce and a nice thin crust. Now the sauce has no taste and the crust is thick and doughy. Can't tell the difference between the box and the pizza. Pass on this one Wal Mart has a better pizza in the frozen aisle.

Select from the following. (a). negative. (b). positive.
(a).