Instruct: Classify an Amazon review into positive or negative sentiment.
Query: Not impressed

i wanted to do an at home french manicure so i bought this. when i went to file my nail, my nail made sliced into the side of it. it did smooth the top of my nail, but i was still upset that i had to use another filer to shape my nails. i previously bought one of another brand that was much better and was dissapointed with this one.