Google and Facebook's chief executives personally oversaw a 2018 deal that advantaged Facebook on Google's ad auctions, a group of states alleged on Friday.
### Instruction: What is the sentiment of this news? Please choose an answer from {negative/neutral/positive}
### Input: Google and Facebook's chief executives personally oversaw a 2018 deal that advantaged Facebook on Google's ad auctions, a group of states alleged on Friday.
### Response: mildly negative