I_am_an_ally

// This function cannot return an accurate answer
function isAllyByCrosscheckIdenties($person) 
{   
    // If this person identifies as any of the following 
    // make assumption they support equal rights for everyone
    foreach ($person->getSexualIdentities() as $identity) {
        switch ($identity) {
            case 'gay':
            case 'lesbian':
            case 'bisexual':
            case 'trangender':
            case 'pansexual':
            case 'intersex':
            case 'asexual':
                // The following is untrue because an assumption 
                // would need to be made that the person
                // supports equal rights for everyone
                return true;
            default:
                break;
        }
        
        return null;
    }
}

// This function is the statement made and is independent of 
// the crosscheck function
function isAlly($person) {
    return $person->getSupportsEqualRightsForEveryone();
}

// Crosschecking perspectives is a misnomer