Assertion: pig | /r/CapableOf | turn fan
Facets:
value: on legge,1970
type: TEMPORAL
value: on ingram
type: OTHER
Source sentences:
text: Pigs learn quickly to manipulate food and water devices, to turn fans on and off (Ingram and Legge,1970) and to turn on a source of radiant heat (Ingram et al., 1975).