Anchor: A group of people are standing around a red firetruck.
Entailed: The people are standing by the firetruck.
Contradiction: A group of friends are sitting inside of a library.
Contradiction: If there are a lot of voters then the unwanted candidates could slip in.  
Contradiction: She is near the water
Contradiction: The top curve incorporates Wachter's 29.
Contradiction: the person is on the ball