( Protists ( ( are ( ( ( microscopic , ) mostly ) ( unicellular organisms ) ) ) . ) )
(ROOT (S (NP (NNS Protists)) (VP (VBP are) (NP (NP (JJ microscopic)) (, ,) (RB mostly) (NP (NN unicellular) (NNS organisms)))) (. .)))
Protists are microscopic, mostly unicellular organisms.
(ROOT (S (NP (NNP Unicellular) (NNS eukaryotes)) (VP (VBP are) (ADJP (JJ protists)) (ADVP (RB normally))) (. .)))