Voluntariness of risks is evaluated.
( ( Voluntariness ( of risks ) ) ( ( is evaluated ) . ) )
(ROOT (S (NP (NP (NNS Voluntariness)) (PP (IN of) (NP (NNS risks)))) (VP (VBZ is) (VP (VBN evaluated))) (. .)))
No evaluation is being done of risks.
( ( No evaluation ) ( ( is ( being ( done ( of risks ) ) ) ) . ) )
(ROOT (S (NP (DT No) (NN evaluation)) (VP (VBZ is) (VP (VBG being) (VP (VBN done) (PP (IN of) (NP (NNS risks)))))) (. .)))