Assertion: world's animal | /r/CapableOf | become at the end of its useful life
Facets:
Source sentences:
text: The role of draft animals in agriculture in less-developed regions of the world continues because of the advantages they offer: their feed is easily grown and commonly available; little maintenance of the animals is required; their manure is a valuable resource for the farmer; and the animal itself may become a source of food or other products at the end of its useful life.