Text: Some evidence suggests that WTP to avoid a risk of a protracted death involving prolonged suffering and loss of dignity and personal control is greater than the WTP to avoid a risk (of identical magnitude) of sudden death.
Entailment: There is evidence that WTP to avoid risk of a prolonged death is larger than the WTP to avoid sudden death.
Contradiction: WTP to avoid a protracted death and WTP to avoid a sudden death are equal to one another.