( ( Of ( eukaryotic groups ) ) ( , ( ( the protists ) ( ( are ( ( ( most ( commonly unicellular ) ) and ) microscopic ) ) . ) ) ) )
(ROOT (S (PP (IN Of) (NP (JJ eukaryotic) (NNS groups))) (, ,) (NP (DT the) (NNS protists)) (VP (VBP are) (ADJP (ADJP (RBS most) (RB commonly) (JJ unicellular)) (CC and) (ADJP (JJ microscopic)))) (. .)))
Of eukaryotic groups, the protists are most commonly unicellular and microscopic.
(ROOT (S (NP (NNP Unicellular) (NNS eukaryotes)) (VP (VBP are) (ADJP (JJ protists)) (ADVP (RB normally))) (. .)))