Assertion: central span | /r/HasProperty | split into leaf
Facets:
Source sentences:
text: The central span was split into two equal bascules or leaves, which could be raised to allow river traffic to pass.
text: The central span of 200 feet (61 m) between the towers is split into two equal bascules or leaves, which can be raised to an angle of 86 degrees to allow river traffic to pass.