Instruct: Classify a given Amazon review into positive or negative sentiment.
Query: EXCELLENT ANT-ACID RELIEF

PRODUCT ARRIVED ON TIME AND IN GOOD ORDER. THIS IS THE ONLY ANT-ACID THAT WORKS FOR ME WITHOUT UPSETTING THE REST OF MY SYSTEM. I JUST HOPE THE MANUFACTURE BEGINS RESTOCKING IT AT STORES SO I DO NOT HAVE TO KEEP MAKING SPECIAL ORDERS.