{% if el.cancelled and el.amends.rooms.all %}
{% include "chronos/partials/rooms.html" with rooms=el.amends.rooms.all %}
{% elif el.rooms.all and el.amends.rooms.all %}
{% include "chronos/partials/rooms.html" with rooms=el.amends.rooms.all %}
→
{% include "chronos/partials/rooms.html" with rooms=el.rooms.all %}
{% elif el.rooms.all and not el.amends.rooms.all %}
{% include "chronos/partials/rooms.html" with rooms=el.rooms.all %}
{% elif el.amends.rooms.all %}
{% include "chronos/partials/rooms.html" with rooms=el.amends.rooms.all %}
{% endif %}