Assertion: rocking chair | /r/CapableOf | become popular
Facets:
value: in the 19th and 20th centuries
type: TEMPORAL
value: especially
type: DEGREE
Source sentences:
text: Rocking chairs are even becoming modern and somewhat popular.
text: These rockers became popular but never fully replaced original rockers; today, many rocking easy chairs feature a platform design.
text: Since then, rocking chairs have spread around the world, becoming especially popular in the 19th and 20th centuries.