( ( ( Recognize ( ( the intermingling ) ( of ( ( fact and ) opinion ) ) ) ) ( in ( scientific explanations ) ) ) . )
(ROOT (S (VP (VB Recognize) (NP (NP (DT the) (NN intermingling)) (PP (IN of) (NP (NN fact) (CC and) (NN opinion)))) (PP (IN in) (NP (JJ scientific) (NNS explanations)))) (. .)))
Recognize the intermingling of fact and opinion in scientific explanations.
(ROOT (S (NP (PDT All) (NP (JJ scientific) (NNS explanations)) (CC and) (NP (NNS interpretations))) (VP (VBN based) (PP (IN on) (NP (NNS facts)))) (. .)))