Assertion: stock car | /r/HasProperty | licensed by several different promoters
Facets:
value: to slightly differing rules
type: CAUSE
Source sentences:
text: Other similar Stock Car classes are the 2 Litre Stock Cars licensed by Spedeworth and the 1300 Stock Cars licensed by several different promoters each to slightly differing rules although steps are currently being taken to standardise the specifications in order to make it a national class.