Given the question: Extract the answer to the following question from the movie plot. If the question isn't answerable, please output "Can't answer". Question: Why is Superman helping her? Title: Superman Movie plot: Note: italicized text denotes extended scenes not from the original cut.March 1938. The film opens to a child reading a comic book about the Daily Planet, the largest newspaper in the city of Metropolis. As the child reads the shot fades to the Daily Planet and up into the sky. The following title sequence moves through space and eventually reveals the planet Krypton, the home world of a highly-evolved race resembling humans and bearing a unique molecular density and structure, a result of the planet's gravitational strength and the radiation of its adjacent red sun. The planet is ruled by a Council of Elders, each representing a particular "clan" and bearing a crest of that particular House. The planet's greatest scientist, Jor, bears an S-shaped crest, the House of El. Jor-El is supervising the trial of three criminals caught attempting to overthrow the planet's government - General Zod, the planet's former defense chief; his henchman Non, a hulking killer unable to speak; and Ursa, a woman determined to exterminate men other than the man she loves, Zod. As the elders render a guilty verdict, Zod notes that the verdict must be unanimous, so Jor-El ultimately holds the key to their fate. Despite his disillusionment with the Council of Elders, Jor-El renders a conviction. The vast dome of the planet's capital city opens to the night, and a small extra-dimensional prison - the Phantom Zone - tumbles out of the sky and pulls the three criminals out of the trial room and into an eternity in dimensional limbo through space. While a frightened Ursa begs for forgiveness, Zod defiantly swears that he will have his vengeance on the House of El, even if it takes him a thousand years.However, Jor-El's more pressing concern lies in the orbital shift of Krypton; this shift is putting the planet into the fatal gravitational pull of its central star, a fact blithely ignored by the Council Of Elders. The leader of the Council forbids Jor-El from warning the larger populace or he will be imprisoned in the Phantom Zone...
The answer is:
to trap his enemies