2, Mundane is the answer.
To find the theme, you look for the main idea or topic.
Answer:
When working in a group, you learn to work better with others. This helps in the future in any career. Also, when everyone in the group works together, the work gets done easier and faster. In a group, you must have lots of organization to know who does what. Lastly, working in a group can build a better relationship with the people you work with.
Explanation: