Anchor: Mrs. Inglethorp, however, seemed to notice nothing unusual. 
Entailed: Mrs. Inglethorp, however, seemed to think that everything was normal.
Contradiction: Mrs. Inglethorp, however, immediately noticed that something was out of place.
Contradiction: A woman is sleeping
Contradiction: Julius thinks Tuppence's boy is bright.
Contradiction: The men are fast asleep at home.
Contradiction: Men are performing music.