Assertion: hand backhand | /r/CapableOf | gain popularity
Facets:
value: over the one-handed backhand
type: MANNER
value: in the 1990s
type: TEMPORAL
Source sentences:
text: The two-handed backhand began to gain popularity over the one-handed backhand in the 1990s (even though there had been great tennis champions whose backhand was two-handed, Chris Evert being an example).