Assertion: camel | /r/ObjectUse | used in many wars
Facets:
value: in desert areas
type: LOCATION
value: because of their ability
type: CAUSE
Source sentences:
text: Camels were used in many wars (especially in desert areas) in the past because of their ability to travel long distances without water and food, because they can supply and because when they are old or weak They can be eaten (camel meat is used for clothing and for food).