Assertion: mayfly | /r/HasProperty | live
Facets:
value: for a short while
type: TEMPORAL
value: usually
type: DEGREE
Source sentences:
text: In contrast to mayflies, which are small and usually live for a day or less as adults, fishflies are quite large, with a wingspan of 2.5 to 3 inches (6 to 8 cm).
text: So, mayflies are alive (for a short while)