The Hackman, Wageman et al$.$ article on team effectiveness discusses that their domain is work teams in organizations. These teams are distinguished by having three select features. Which of the answers below is NOT one of those features?

They have one or more group tasks to perform, producing some outcome for which members bear collective responsibility and whose acceptability potentially can be assessed

They always exert sufficient effort to get thetiask accomplished at an acceptable level of performance given the material resources available from the organization

They are real groups with intact social systems, complete with boundaries, interdependence among members, and differentiated member roles

Such teams operate in an organizational context, the group as a collective manages its relations with other individuals or groups in the larger social system it operates