Anchor: The production of gypsum requires a minimum of 92 percent limestone utilization.
Entailed: Gypsum needs at least 92% limestone to be made 
Contradiction: Gypsum requires no percentage of limestone
Contradiction: the birds were short necked
Contradiction: Cezary Pytlasinski was drinking vodka while talking.
Contradiction: The 1999 Report and Recommendations of the Blue Ribbon Committee was written in 2012.
Contradiction: There are people in the house.