Assertion: windmill's shaft | /r/HasProperty | long vertical
Facets:
Source sentences:
text: The first windmills had long vertical shafts with rectangle shaped blades.
text: The first windmills had long vertical shafts with rectangle shaped blades.
text: The first windmills had long vertical shafts with rectangle shaped blades.
text: The first windmills had long vertical shafts with rectangle shaped blades.