Other scientists are drilling 3000-meter-deep ice cores to look for clues about changes in the Antarctic climate.
(Other scientists; are drilling; 3000-meter-deep ice) Context(Other scientists are drilling,List([0, 29))):(Other scientists; are drilling 3000-meter-deep ice to look; for clues about changes in the Antarctic climate)
Other scientists are drilling,List([0, 29))
Other scientists Other scientists
are drilling are drilling 3000-meter-deep ice to look
3000-meter-deep ice
for clues about changes in the Antarctic climate