Sam employs Alexis as his personal shopper. Alexis uses Sam's car and works the hours he tells her to work. One day while running errands for Sam, Alexis decides to buy a new TV for her boyfriend, Ted, so she drives in Sam's car to a nearby electronics store. On her way to the electronics store, she negligently runs over Moira. Moira sues Sam in tort for her injuries, alleging respondeat superior liability. Which of the following is true as it relates to whether a court will find Sam liable for Moira's injuries?

A court will only find Sam liable if he knew about what Alexis was doing

A court will likely find Sam liable if Alexis was on a detour

A court will likely find Sam liable if Alexis was on a frolic

A court will never find a principal liable for his agents' torts