Input (grade 13): Homo heidelbergensis ("Heidelberg Man", named after the University of Heidelberg) is an extinct species of the genus Homo which may be the direct ancestor of both Homo neanderthalensis in Europe and Homo sapiens.
Output (grade 10): Homo heidelbergensis ("Heidelberg Man") is an extinct species of the genus Homo. It is perhaps the direct ancestor of Homo neanderthalensis in Europe.