Assertion: thylacine's prey | /r/HasProperty | ill
Facets:
Source sentences:
text: They survey flocks of sheep by sniffing them from 10–15 m (33–49 ft) away and attack if the prey is ill.
text: They can sniff flocks of sheep from a distance of 10–15 m (33–49 ft) away and attack when the prey is ill.