Anchor: She's in no immediate danger, because if we tumble on to anything, she'd be damned useful to them.
Entailed: She is useful so she will not be harmed.
Contradiction: She tumbled along caused danger to anyone in her path.
Contradiction: Men prepare food at an indoor market.
Contradiction: Top management and oversight entities apply a lot of pressure. 
Contradiction: Dallas doesn't look anything like Houston at all. 
Contradiction: She raised her eyes, a momentary gleam shining through them.