Assertion: grenade's ounce | /r/HasProperty | 340g
Facets:
Source sentences:
text: On December 21, 1988, 12 ounces (340g) of Semtex brought down a Boeing 747 over Lockerbie, Scotland killing all 259 aboard the aircraft and 11 on the ground.
text: Grenades varied in weight from the eleven ounce (310 g)