The Choctaws flattened the heads of babies by placing bags of sand on their brows and ridiculed whites as longheads.
The Choctaws were envious of white people's longer heads.
mnli hypothesis: The Choctaws were envious of white people's longer heads. premise: The Choctaws flattened the heads of babies by placing bags of sand on their brows and ridiculed whites as longheads.