the moon is less bright than the sun
sun is not warmer_than_moon. sun is not bigger_than_earth. sun is bright_star. sun has more_mass_than_moon everyone has not seen_sun_and_moon sun is not bright_star. earth is not bigger_than_moon. sunny_days is brighter_than_cloudy_days. sun is warmer_than_moon. sun has not more_mass_than_moon