Anchor: However, when he explored the reasons for the omission, he found that the group that wrote the latest version of the American College of Surgeons resource guide did not have access to data that proved that treatment had any value.
Entailed: There was an omission, and he set off to find the reason for it.
Contradiction: He did not bother look for the reasons why there was an omission.
Contradiction: What Mr Cavendish says happened is likely the answer.
Contradiction: An animal is outside.
Contradiction: The woman is eating food.
Contradiction: She left her abusive husband and moved into a bad apartment.