Assertion: young tortoise | /r/CapableOf | hear the signal
Facets:
value: no longer
type: TEMPORAL
Source sentences:
text: We later learned that he was part of a research project in the 1990s where researchers attached radio transmitters to young tortoises’ shells to track them using telemetry, and after the project was over or when they could no longer hear the signal, they abandoned the tortoises, sometimes without removing the epoxy that kept the transmitters attached!