Anchor: And when he was walking for the last time through the main plaza of the Piast University, pondering deep thoughts about the injustice of treating people according to the Valesa scale of street-smarts, he stepped into a puddle.
Entailed: He was walking in the plaza.
Contradiction: He was walking in the park.
Contradiction: the man is mute from birth
Contradiction: There is a family dinner at the beginning of Chinese New Year. 
Contradiction: People still talk about the outrage from the past.
Contradiction: She showed her teeth as she smiled.