People working in teams are more effective in part due to $,$ which is the enhancement to performance that comes simply from working with other people instead of by oneself.

Which of the following statements about agile teams is FALSE?

Agile teams are large, with $10$ to $20$ people.

Agile teams innovate and solve problems on their own.

Agile teams have employees from different areas of the company.

Agile teams focus on small parts of large problems.