Multi-choice question: What is the sentiment of the following tweet?
Tweet: review classes tomorrow.  isn't it supposed to be my summer vacay?  and aren't i supposed to be sleeping n... http://plurk.com/p/1101o2
Options: 1. negative 2. positive

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
1.