Scientists infer instead that the Grand Canyon's formation is in large part due to erosive forces operating over tens of thousands of years.
(erosive forces; operating; T:over tens of thousands of years) (Scientists; infer instead; that the Grand Canyon's formation is in large part due to erosive forces) Context(Scientists infer instead,List([0, 24))):(the Grand Canyon's formation; is; in large part due to erosive forces)
Scientists infer instead,List([0, 24))
erosive forces Scientists the Grand Canyon's formation
operating infer instead is
T:over tens of thousands of years
that the Grand Canyon's formation is in large part due to erosive forces
in large part due to erosive forces