What is the sentiment of this news? Please choose an answer from {strong negative/moderately negative/mildly negative/neutral/mildly positive/moderately positive/strong positive}.

Amazon is sounding the alarm over an internal memo which estimates that the retail giant could run out of people to hire and man their US-based warehouses within the next 18 months, according to a report. An internal research paper that was viewed by executives at the Seattle-based company warned that failure to replenish the.
mildly negative