Assertion: grenade | /r/HasProperty | effective
Facets:
value: very
type: DEGREE
value: in area control
type: LOCATION
value: in every situation
type: TEMPORAL
Source sentences:
text: Grenades came into use around the 15th century and were found to be particularly effective when exploded among enemy troops in the ditch of a fortress during an assault.
text: Remember, grenades are a effective weapon in every situation.
text: The grenade was also very effective as an anti-personnel, incendiary weapon.
text: The grenade is effective in area control and will kill enemies who fail to don their gas masks.