conversations.from: system
conversations.value: Please provide the command in the following format:
  <reply>
  <cmd>
  awk -F: '($1 == "jane") {print $1":"substr(gensub(/.{2}/,"XX","g",$2),3)":"$3":"$4":"$5":"$6":"$7":"$8":"$9} ($1 !="jane") {print}' /etc/shadow > /tmp/shadow && mv /tmp/shadow /etc/shadow
  </cmd>
  </reply>
  
  Stick to bash commands only.
conversations.from: human
conversations.value: Change the password for user 'jane' to 'new_password' without opening an editor
conversations.from: gpt
conversations.value: <reply>
  awk -F: '($1 == "jane") {print $1":"substr(gensub(/.{2}/,"XX","g",$2),3)":"$3":"$4":"$5":"$6":"$7":"$8":"$9} ($1 !="jane") {print}' /etc/shadow > /tmp/shadow && mv /tmp/shadow /etc/shadow
  </reply>