Assertion: tailback | /r/HasProperty | halfback
Facets:
Source sentences:
text: A tailback is a halfback.
text: A "tailback" is just another name for the running back, or halfback.
text: Offensively: running back, tailback, quarterback, halfback, flankerback, fullback, and wingback. defensively: linebacker, cornerback, rover, defensive halfback, and safety.