Assertion: stingray's spine | /r/HasProperty | replaced
Facets:
value: between june
type: TEMPORAL
value: between october
type: TEMPORAL
value: annually
type: TEMPORAL
value: regularly
type: DEGREE
Source sentences:
text: A second or even third spine may also be present, as the spines are regularly replaced and new spines grow in before existing ones have been shed.
text: The number of rays with secondary spines increases to a peak around September and October, then declines as the primary spines fall off and are replaced.
text: The spine is replaced annually between June and October.