A Lady's Morals is a 1930 American Pre-Code film offering a highly fictionalized account of singer Jenny Lind. The movie features opera diva Grace Moore as Lind, Reginald Denny as a lover, and Wallace Beery as P. T. Barnum; Beery would play Barnum again four years later in "The Mighty Barnum". The film contains some fine opera arias by Moore and was directed by Sidney Franklin.
Can we infer the following?
Moore was also in The Mighty Barnum.

Select from the following. [I] Yes. [II] It's impossible to say. [III] No.
The answer is:
[III]