Assertion: tractor | /r/CapableOf | use horse
Facets:
value: for other crops
type: PURPOSE
Source sentences:
text: We've written about tractors in Popular Science for a century, and like the use of domesticated animals before them, tractors greatly increased the amount of land a farmer could use, and because tractors ran on fuels and not grains, using tractors instead of horses and mules freed up former animal feed land for other crops.