Anchor: The double-underlining is intended to alert the reader to the fact that it has been modified or affected by a later statement.
Entailed: Readers are alerted to modifications through the use of double underlining.
Contradiction: There is no meaning behind the double underlining.
Contradiction: Hall didn't say anything about what was needed.
Contradiction: Dogs are running outside.
Contradiction: The children are asleep in their beds.
Contradiction: A man looks out of a building while another man looks down from above.