Which of the following would best describe a "somber" atmosphere?

A "somber" atmosphere is characterized by feelings of seriousness, sadness, or a lack of brightness. This term often evokes imagery of darkness, heaviness, or gloom. Therefore, describing an atmosphere as "somber" aligns perfectly with a "dark and gloomy" setting, which conveys a mood that is serious or reflective rather than lighthearted or festive. The other options suggest positivity, warmth, or brightness, which contrast sharply with the connotations of somberness. For instance, cheerful and lively evoke joy and vibrancy, while bright and sunny suggest a pleasant and upbeat environment. Similarly, warm and inviting implies a comforting and friendly atmosphere, all of which are inconsistent with the idea of somberness.