Brexit begins tonight over 3½ years since the U.K. initially voted to leave the EU. So what happens next?... https://t.co/2RTvIOimkG
### Instruction: What is the sentiment of this news? Please choose an answer from {negative/neutral/positive}
### Input: Brexit begins tonight over 3½ years since the U.K. initially voted to leave the EU. So what happens next?... https://t.co/2RTvIOimkG
### Response: neutral