Assertion: flat kite | /r/HasProperty | fitted with pointed wire and silk sail
Facets:
value: during a thunderstorm
type: TEMPORAL
Source sentences:
text: Three years later, in June 1752, in what is the most famous of kite experiments, the American inventor and statesman Benjamin Franklin, with the aid of his son, lofted a flat kite fitted with a pointed wire and silk sail during a thunderstorm.