system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
Which of the following are not noble gases: helium, sodium, neon, oxygen, argon, hydrogen, calcium, magnesium, lithium, boron, krypton, nitrogen, xenon, aluminium, radon.


assistant
The following are not noble gases - sodium, oxygen, hydrogen, calcium, magnesium, lithium, boron, nitrogen, aluminium.