Assertion: grenade | /r/HasProperty | hollow iron balls
Facets:
value: originally
type: TEMPORAL
value: to allow filling
type: PURPOSE
Source sentences:
text: The first grenades were hollow iron balls filled with gunpowder and ignited by a slow burning fuse rolled in dampened gunpowder and dried.
text: First, they are hollow to allow filling with explosive or chemical filler.
text: Originally they were just hollow metal balls filled with gunpowder.
text: Originally they were hollow iron balls filled with gunpowder and ignited by a slow burning match.