Assertion: sassafras's leaf | /r/HasProperty | green
Facets:
value: on the upper side
type: LOCATION
value: during the spring
type: TEMPORAL
value: on whitish
type: OTHER
Source sentences:
text: Willow trees have elongated leaves that are green on the upper side and whitish on the bottom side.
text: Opposite leaves are dark green and glossy, with coarsely toothed edges showing prominent veins on the underside.
text: Leaves are green during the spring, and yellow, orange, red and purple during the autumn.