Anchor: She felt that once Mrs. Vandemeyer gave them the slip, the last hope of finding Tommy would be gone.
Entailed: She believed that there wouldn't be any hope of finding Tommy if Mrs. Vandemeyer got away. 
Contradiction: She knew that she would find Tommy immediately once Mrs. Vandemeyer left. 
Contradiction: A worker in a tunnel under the street.
Contradiction: A life would end before dawn. 
Contradiction: the girl is walking a rope over the canyon
Contradiction: people on a brick sidewalk