Anchor: For example, as people live longer, rather than save more to finance more years of retirement, individuals could choose to work longer and postpone retirement.
Entailed: Some individuals choose to work longer and postpone retirement rather than saving more. 
Contradiction: People who live longer definitely choose to work longer and postpone retirement rather than saving their finances. 
Contradiction: There is only one type of spatial interpolation and it has never been named.
Contradiction: Three people are standing by a road.
Contradiction: Let's avoid doing this.
Contradiction: A dog is sliding.