U.S. regulators are calling on Amazon to improve its procedures for dealing with severe weather like hurricanes and tornadoes that could threaten workers at its warehouses dotted across the country.
### Instruction: What is the sentiment of this news? Please choose an answer from {negative/neutral/positive}
### Input: U.S. regulators are calling on Amazon to improve its procedures for dealing with severe weather like hurricanes and tornadoes that could threaten workers at its warehouses dotted across the country.
### Response: mildly negative