['Voyager', 'follow', 'approach', 'EmptyParameter', 'EmptyParameter']
['<VESSEL>0', 'comprehend-87.2-1', 'escape-51.1-1', 'EmptyParameter', 'EmptyParameter']
Voyager follows, approaching to within 2,000 kilometers, monitoring the ellipse and the Flyer.
<VESSEL>0 follows, approaching to within 2,000 kilometers, monitoring the Synset('plane_figure.n.01') and the Synset('person.n.01').