Wondering how the vet could have missed a tumor in our dogs throat the size of an EGG for months?! So glad our Bess has her bark back 
Select your answer from the options. What is the sentiment of this tweet?
Available options:
 --negative
 --positive...I think the answer is

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
positive