Instruct: Classify the given review as either positive or negative.
Query: you should buy this !!

if you want to keep creepy crawlys off your critters, buy K9 advantix .... i have not found anything that works better than this product !! my girls and i walk in deep woods filled with mosquitos, ticks and various other pests and K9 advantix keep them off my girls. believe me when i say this stuff works !!!