Assertion: cultivated land | /r/CapableOf | border globe-encircling waterways
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Source sentences:
text: All that night we raced through the Barsoomian void, passing over low hills and dead sea bottoms; above long-deserted cities and populous centers of red Martian habitation upon the ribbon-like lines of cultivated land which border the globe-encircling waterways, which Earth men call the canals of Mars.