26. The system for processing content of claim 25 , wherein the computing device is further configured to: identify, in the audio narration, a recitation of the at least one original attribute of the selected original object; generate, from the one or more audio clips, a recitation of at least one attribute of the object selected from the source graph; and replace, in the audio narration, the recitation of the at least one original attribute of the selected original object with the generated recitation of the at least one attribute of the selected object selected from the source graph to form a modified audio narration.
26. The system for processing content of claim 25 , wherein the computing device is further configured to: identify, in the audio narration, a recitation of the at least one original attribute of the selected original object; generate, from the one or more audio clips, a recitation of at least one attribute of the object selected from the source graph; and replace, in the audio narration, the recitation of the at least one original attribute of the selected original object with the generated recitation of the at least one attribute of the selected object selected from the source graph to form a modified audio narration. 27. The system for processing content of claim 26 , wherein the computing device is further configured to: present at least one of a portion of the item of modified content or a portion of the modified audio narration to a user; and receive, from the user, a desired further modification to at least one of the item of modified content or the modified audio narration.