401.14f Preliminary Issues - Vicarious Liability - Joint Enterprise (Automobile) On (claimant)'s claim there is a preliminary issue for you to decide. That issue is whether (driver) was operating the automobile at the time and place of the [collision] [incident complained of] to further the purposes of a joint enterprise in which [he] [she] was engaged with (defendant passenger). A joint enterprise exists when two or more persons agree, expressly or impliedly, to engage in an activity in which they have a common interest in the purposes to be accomplished and equal rights to control and manage the operation of an automobile in the enterprise. Each member of a joint enterprise is responsible for the negligence of another member in the operation of the automobile if that negligence occurs while he or she is acting under the agreement and to further the purposes of the joint enterprise.