Anchor: Protesters assemble to promote the clean air act.
Entailed: Protesters are man.
Contradiction: The clean air act is loved and adored by all.
Contradiction: In Table 4-9 there is the approximate steel requirements.
Contradiction: The church of Santa Maria di Siponto is around eight hundred years old.
Contradiction: We did not talk about the good old days.  
Contradiction: A man in a uniform is resting while reading the paper.