prompt: Turn the facts in this news report into a series of questions with answers.
  
  Food workers who showed up while sick or contagious were linked to about 40% of restaurant food poisoning outbreaks with a known cause between 2017 and 2019, federal health officials said Tuesday.
  
  Norovirus and salmonella, germs that can cause severe illness, were the most common cause of 800 outbreaks, which encompassed 875 restaurants and were reported by 25 state and local health departments.
  
  Investigators with the Centers for Disease Control and Prevention called for better enforcement of “comprehensive food safety policies,” which emphasize basic measures like hand washing and keeping sick workers off the job.
chosen.role: system
chosen.content: A chat.
chosen.role: user
chosen.content: Turn the facts in this news report into a series of questions with answers.
  
  Food workers who showed up while sick or contagious were linked to about 40% of restaurant food poisoning outbreaks with a known cause between 2017 and 2019, federal health officials said Tuesday.
  
  Norovirus and salmonella, germs that can cause severe illness, were the most common cause of 800 outbreaks, which encompassed 875 restaurants and were reported by 25 state and local health departments.
  
  Investigators with the Centers for Disease Control and Prevention called for better enforcement of “comprehensive food safety policies,” which emphasize basic measures like hand washing and keeping sick workers off the job.
chosen.role: assistant
chosen.content: • Question: Who was linked to roughly 40% of restaurant food poisoning outbreaks between 2017 and 2019?
     Answer: Food workers who showed up while sick were linked to food poisoning outbreaks in restaurants. 
  
  • Question: What germs were the common cause of the outbreaks?
     Answer: Norovirus and salmonella were the common cause. 
  
  • Question: What agency wants better enforcement of food safety policies?
     Answer: The Centers for Disease Control and Prevention wants better enforcement of food safety policies. 
rejected.role: system
rejected.content: A chat.
rejected.role: user
rejected.content: Turn the facts in this news report into a series of questions with answers.
  
  Food workers who showed up while sick or contagious were linked to about 40% of restaurant food poisoning outbreaks with a known cause between 2017 and 2019, federal health officials said Tuesday.
  
  Norovirus and salmonella, germs that can cause severe illness, were the most common cause of 800 outbreaks, which encompassed 875 restaurants and were reported by 25 state and local health departments.
  
  Investigators with the Centers for Disease Control and Prevention called for better enforcement of “comprehensive food safety policies,” which emphasize basic measures like hand washing and keeping sick workers off the job.
rejected.role: assistant