IHS Markit sees U.S. GDP growth falling to 2.1% in 2020 from 2.5% in 2017-2019
### Instruction: What is the sentiment of this news? Please choose an answer from {negative/neutral/positive}
### Input: IHS Markit sees U.S. GDP growth falling to 2.1% in 2020 from 2.5% in 2017-2019
### Response: negative