Any parent, legal guardian, or person who has custody or control of a minor and, in a circumstance described in subsection (f), engages in any of the following conduct shall be punished as provided under subsection (e): (1) Knowingly permits such minor to engage in, or to assist any other person to engage in, sexually explicit conduct— (A) for the purpose of producing any visual depiction of such conduct or transmitting a live visual depiction of such conduct