( ( Using ( ( tools and ) microscopes ) ) ( , ( ( the optician ) ( ( makes ( ( observations ( of ( ( ( ( the ( client 's ) ) eyes ) and ) ( surrounding parts ) ) ) ) ( to ( ensure ( that ( ( the lenses ) ( will ( fit ( ( correctly and ) comfortably ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (S (VP (VBG Using) (NP (NNS tools) (CC and) (NNS microscopes)))) (, ,) (NP (DT the) (NN optician)) (VP (VBZ makes) (S (NP (NP (NNS observations)) (PP (IN of) (NP (NP (NP (DT the) (NN client) (POS 's)) (NNS eyes)) (CC and) (NP (VBG surrounding) (NNS parts))))) (VP (TO to) (VP (VB ensure) (SBAR (IN that) (S (NP (DT the) (NNS lenses)) (VP (MD will) (VP (VB fit) (ADVP (ADVP (RB correctly)) (CC and) (ADVP (RB comfortably))))))))))) (. .)))
Using tools and microscopes, the optician makes observations of the client’s eyes and surrounding parts to ensure that the lenses will fit correctly and comfortably.
(ROOT (S (NP (DT A) (NN microscope)) (VP (MD would) (ADVP (RBS best)) (VP (VB help) (S (NP (DT a) (NN person)) (VP (VB observe) (NP (NP (DT the) (NNS parts)) (PP (IN of) (NP (DT a) (NN plant) (NN cell)))))))) (. .)))