sentence: For example , the planetarium in a navigation room for learning about the position of stars , four small boats used to practice leadership and navigation in the Pontevedra river , or even the simulation for creating situations which seldom arise .
modified: For example , the planetarium in a navigate room for learnt about the position of star , four small boats use for practiced the leadership and navigation in Pontevedra river , or even the simulation for maked the situations which are seldom happen .
transformation: MORPH, VERB:FORM, NOUN:NUM, VERB:FORM, VERB:TENSE, VERB:INFL, DET, DET, VERB, DET, VERB:TENSE, VERB