Assertion: raindrop's shape | /r/HasProperty | flattened
Facets:
value: by airflow like a hamburger bun
type: CAUSE
value: slightly
type: DEGREE
value: on the bottom
type: LOCATION
Source sentences:
text: However, research has found the shape of a raindrop to be rather spherical or slightly flattened on the bottom by airflow like a hamburger bun.