Anchor: A stealthy footstep on the stairs? 
Entailed: On the stairs, a quiet footstep?
Contradiction: Something is coming up the stairs very loudly.
Contradiction: Is it normal practice to make your own bed at home?
Contradiction: Write offs are used to remove financial information. 
Contradiction: Cars won't advance at all past where they are now.
Contradiction: Thanks, is what I say.