Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "RT @thriftyniftymom: This weekend only, the @thestep2company  Easel for Two is on sale at @Costco for just $19.99, in store and online! (ad…

" STOCK: Costco DATE: 28/10/2018
Sentiment: (Provide sentiment here)
Explanation: The tweet sentiment is related to the stock mentioned, and it's important to interpret the context. The LSTM polarity score is 1 and the TextBlob polarity score is 0.0.