These include fossil remains believed to be of human ancestors who lived 3.5 million to 4.5 million years ago.
(These; include; fossil remains believed to be of human ancestors) (fossil remains; to be; of human ancestors) (human ancestors; lived; T:3.5 million; T:4.5 million years ago)
These fossil remains human ancestors
include to be lived
fossil remains believed to be of human ancestors
of human ancestors
T:3.5 million T:4.5 million years ago