If the full question is "who does a ventriloquist usually converse WITH," the answer would probably be "their puppet." for entertainment, ventriloquists usually manipulate a puppet's movements and their mouth to pretend that the character they create of the puppet is talking.
That's because you have to have a lighting source so as to avoid pixelated dark photos, and as there's no natural light indoors, or it goes away quickly as it depends on windows, you have to use artificial lighting.
The most accurate answer among the choices to complete the question is the fourth one (hanging indent). This refers to types of paragraphs in which only the second and succeeding lines are being indented.
Hope my answer has come to satisfy your query.
Logos, pathos, ethos, and kairos are the four types