Assertion: farmer | /r/CapableOf | use one horse
Facets:
Source sentences:
text: For example, a farmer using one horse can plant an average of 5.5 acres of row crops, such as potatoes or corn, in a ten-hour day; with two horses he can plant 11.5 acres; but with a two-row planter and a tractor, 17 acres; and with a four-row tractor outfit, 33 acres.