Analyze the sentiment expressed in the tweet. Is it positive, negative, or neutral? Explain the sentiment in relation to the stock mentioned.
TWEET: "@Purina @MerrickPetCare 





@Petco @PetSmart @amazon 











Come on big companies... get on the Pet food donation truck hea… https://t.co/rEpF8iT0kJ
" STOCK: Amazon DATE: 01/09/2017
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.