Anchor: On the other hand, Mrs. Cavendish believed that the slip of paper to which her mother-in-law clung so tenaciously was a written proof of her own husband's infidelity. 
Entailed: Mrs. Cavendish's mother-in-law had been holding on to a slip of paper.
Contradiction: Mrs. Cavendish's mother-in-law had died when her son was a small child.
Contradiction: No one remembers cybernetics.
Contradiction: A man sleeps on a couch.
Contradiction: This is the Alamo where brave Texans fought the Mexican Army.
Contradiction: An old lady sits on a bench.