Assertion: ballet dancer's career | /r/HasProperty | professional
Facets:
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.