User: Tell me which of the eight planets in our solar system have moons and which do not. Classify the planets into 'No Moon', 'One Moon', and 'Multiple Moons'. The planets are: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
Assistant: No Moon: Mercury and Venus.
One Moon: Earth and Mars.
Multiple Moons: Jupiter, Saturn, Uranus, and Neptune.