Text: As evolutionary psychologists Martin Daly and Margo Wilson showed in their book Homicide , children not reared by both biological parents are at greatly elevated risk of physical abuse, even murder.
Entailment: Children not reared by both biological parents are at a great risk of physical abuse, said two evolutionary psychologists.
Contradiction: Children not reared by both biological parents are at a little risk of physical abuse, said two evolutionary psychologists.