a2"</span>, <span class="st">"channel_cards_a1"</span>,
    <span class="st">"channel_combined_a2"</span>, <span class="st">"channel_demographics_a1"</span>, <span class="st">"channel_device_os_a2"</span>,
    <span class="st">"channel_end_screens_a1"</span>, <span class="st">"channel_playback_location_a2"</span>, <span class="st">"channel_province_a2"</span>,
    <span class="st">"channel_sharing_service_a1"</span>, <span class="st">"channel_playback_location_a2"</span>, <span class="st">"channel_province_