( ( Have ( the ( Earth ( and ( Moon ( switch places ) ) ) ) ) ) . )
(ROOT (S (VP (VB Have) (NP (DT the) (NNP Earth) (CC and) (NNP Moon) (NN switch) (NNS places))) (. .)))
Have the Earth and Moon switch places.
(ROOT (S (NP (NP (DT The) (NN earth) (POS 's)) (JJ magnetic) (NNS poles)) (VP (VBP have) (VP (VBN switched) (NP (NNS places)) (ADVP (RB repeatedly)) (PP (IN in) (NP (DT the) (NN past))))) (. .)))