Assertion: dolphin | /r/CapableOf | rest as insurance
Facets:
value: alternatingly
type: DEGREE
value: to not fall
type: PURPOSE
Source sentences:
text: Dolphins have large brains like humans and they use it to analyze information, solve problems and aggrandize their survival in the wild; also, dolphins alternatingly rest one hemisphere of their brain as insurance not to fall asleep and avoid drowning while taking their nap.