Simplify the following text for a Grade 14 native English-speaking person.
Original: Hominini is the tribe of Homininae that comprises Humans ( Homo ) , and two species of the genus Pan ( the Common Chimpanzee and the Bonobo ) , their ancestors , and the extinct lineages of their common ancestor ( but see the discussion below for alternative vies ) .
Simplified: Hominini is the tribe of Homininae that comprises Humans ( Homo ) , and two species of the genus Pan ( the Common Chimpanzee and the Bonobo ) , their ancestors , and the extinct lineages of their common ancestor .