Assertion: true gun | /r/CapableOf | become rare
Facets:
value: in artillery use
type: OTHER
value: very
type: DEGREE
Source sentences:
text: By the end of the 20th century, true guns with calibers larger than about 60 mm have become very rare in artillery use, the main users being tanks, ships, and a few residual anti-aircraft and coastal guns.
text: By the end of the 20th century, true guns with calibers larger than about 60 mm had become very rare in artillery use, the main users being tanks, ships, and a few residual anti-aircraft and coastal guns.