Anchor: If so, then he was extremely fortunate, for he managed to land on the only large, sandy beach for hundreds of miles around.
Entailed: If that is so, he is very fortunate.
Contradiction: He could not be any less fortunate.
Contradiction: A reindeer pulls a sled.
Contradiction: The papacy was falling and not doing well.
Contradiction: The little boy is alone
Contradiction: The share of GDP for gross national saving is much lower than it was before.