Assertion: guinea pig | /r/HasAspect | the option
Facets:
value: always
type: TEMPORAL
Source sentences:
text: The guinea pigs also seemed to get some benefit from the session, because they did forage for the food and climb over the see-saw, and they chose to interact with the patient when they had the option of not doing so.
text: The most important implication is that guinea pigs should have the possibility to freely interact with humans and have retreat possibilities.
text: but they must always have the option.