( ( Phase Four ) ( ( is ( ( the ( actual ( home visits ) ) ) ( by ( these volunteers ) ) ) ) . ) )
(ROOT (S (NP (NNP Phase) (NNP Four)) (VP (VBZ is) (NP (NP (DT the) (JJ actual) (NN home) (NNS visits)) (PP (IN by) (NP (DT these) (NNS volunteers))))) (. .)))
Phase Four is the actual home visits by these volunteers.
(ROOT (S (NP (NNS Mitosis)) (ADVP (RB actually)) (VP (VBZ occurs) (PP (IN in) (NP (CD four) (NNS phases)))) (. .)))
Mitosis actually occurs in four phases.