Assertion: relay's pole | /r/HasProperty | one of each
Facets:
Source sentences:
text: The poles may be Form A or Form B (or one of each; the designations NO and NC should be used to resolve the ambiguity).
text: The poles may be or (or one of each; the designations and should be used to resolve the ambiguity).
text: The poles may be Form A or Form B (or one of each).