Anchor: But Weld blew this moral advantage by attacking Helms July 15.
Entailed: Weld's attack on Helms meant the loss of this moral advantage.
Contradiction: Weld's attack on Helms didn't involve losing any moral advantage.
Contradiction: We'd be seen as leaders in gender equality. 
Contradiction: I perceive some important things resulting from it.
Contradiction: A cat is chasing a mouse.
Contradiction: There is a city.