Assertion: ballet dancer | /r/CapableOf | begin their professional careers
Facets:
value: by the time
type: TEMPORAL
Source sentences:
text: Their training becomes more serious as they enter their teens, and most ballet dancers begin their professional careers by the time they are 18.
text: Their training becomes more serious as they enter their teens, and most ballet dancers begin their professional careers by the time they are 18.
text: Their training becomes more serious as they enter their teens, and most ballet dancers begin their professional careers by the time they are 18.