Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "#ad Get a  $5 iTunes gift card with purchase of Trident VIBES® gum at @Walmart! More info at https://t.co/HOEfUsZPVd…" 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.