Assertion: serval's claw | /r/CapableOf | become retractable
Facets:
value: by the third
type: TEMPORAL
value: by the fourth week
type: TEMPORAL
Source sentences:
text: The ears become erect and the claws become retractable by the third or the fourth week.
text: The ears become erect and the claws become retractable by the third or the fourth week.