( ( These objects ) ( ( must ( be ( studied ( with ( ( ( the ( light microscope ) ) or ) ( the ( electron microscope ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT These) (NNS objects)) (VP (MD must) (VP (VB be) (VP (VBN studied) (PP (IN with) (NP (NP (DT the) (JJ light) (NN microscope)) (CC or) (NP (DT the) (NN electron) (NN microscope))))))) (. .)))
These objects must be studied with the light microscope or the electron microscope.
(ROOT (S (NP (DT A) (NN electron) (NN microscope)) (VP (VBZ is) (VP (VBN used) (S (VP (TO to) (VP (VB see) (NP (ADJP (RB extremely) (JJ small)) (NNS objects))))))) (. .)))