<https://grammarsimple.com/verb/confine-past-and-past-participle-form-v1-v2-v3-v4-v5-form-of-confine/>
<http://schema.org/isPartOf>
<https://grammarsimple.com/verb/confine-past-and-past-participle-form-v1-v2-v3-v4-v5-form-of-confine/>