Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "We ❤️ dressing up for Halloween! We're having a costume contest &amp; giving away a $25 @Starbucks card! Visit https://t.co/i6XcxzA7jR to enter!" STOCK: nan DATE: nan
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 nan and the TextBlob polarity score is nan.