Which of the following phrases may legally be used in a rental advertisement?

This phrase indicates a discriminatory practice against families with children, which is illegal under the Fair Housing Act. Such language can be seen as exclusionary and is not permissible in rental advertisements as it violates the rights of families seeking housing.

While this statement may seem specific, it could potentially deter applicants based on pet ownership, which is not inherently discriminatory. However, it does not provide objective information about the property itself and could be viewed as overly restrictive. It is generally acceptable to have pet policies, but stating "no exceptions" may lead to potential disputes and issues.

This phrase implies a preference for families, which can be interpreted as discrimination against individuals or groups without children. Although it seems inviting, this language could violate fair housing regulations by suggesting a bias towards certain types of tenants, making it legally questionable.