False imprisonment involves which of the following?

False imprisonment is defined as the intentional confinement of a person against their will without lawful justification. This means that B is correct because it captures the essence of false imprisonment, which requires both intention and lack of lawful authority for the detention. In this context, a person being kept from freedom or restrained in a way that they cannot leave without consent falls within the parameters of false imprisonment.

The other options do not accurately represent the legal definition of false imprisonment. For instance, A refers to involuntary confinement by a minor, which complicates the issue with considerations around capacity and consent, rather than addressing intentionality and lawful justification. C discusses a temporary arrest by law enforcement; such an arrest typically has legal backing and authority, contrasting with the unlawful nature of false imprisonment. Finally, D mentions detention based on an outstanding warrant, which is also justified by legal principles and protocols, making it different from an act that would constitute false imprisonment. Hence, none of those options align with the critical elements of intentionality and the absence of lawful justification that B captures effectively.