Anchor: Traditional user identification codes and passwords, while permitted under certain circumstances, do not.
Entailed: User ID codes and passwords aren't permitted 
Contradiction: User ID codes and passwords are needed 
Contradiction: Boys are playing indoors.
Contradiction: In the beginning months of 1997, there was a drop in unemployment, down to 2.6 percent.
Contradiction: People from Tokyo and Yokohama love to stay home during the hot, humid summer months.
Contradiction: Taking over its place was a feeling of gloom.