Assertion: leatherback turtle | /r/CapableOf | use magnetite
Facets:
value: in earth's magnetic field
type: LOCATION
value: for navigation
type: PURPOSE
value: in their brains
type: LOCATION
value: in the water
type: LOCATION
Source sentences:
text: Once in the water, loggerhead turtles use magnetite in their brains and Earth's magnetic field for navigation.