A regional office of the National Labor Relations Board says Starbucks is violating U.S. labor law by withholding pay hikes and other benefits from stores that have voted to unionize.
### Instruction: What is the sentiment of this news? Please choose an answer from {negative/neutral/positive}
### Input: A regional office of the National Labor Relations Board says Starbucks is violating U.S. labor law by withholding pay hikes and other benefits from stores that have voted to unionize.
### Response: moderately negative