platform: template
sensors:
  mail_deliveries_message:
    friendly_name: "Deliveries Summary"
    value_template: >
      {# Deliveries Sentence #}
        {% macro deliveries_sentence() -%}
              {%- if states("sensor.mail_usps_mail")|int(0) == 0 -%}
                No
              {%- else -%}
                {{states("sensor.mail_usps_mail")|int(0)}}
              {%- endif -%}
            {{' '}}
              {%- if states("sensor.mail_usps_mail")|int(0) <= 1 -%}
                mail
              {%- else -%}
                pieces of mail
              {%- endif -%}
            {{' '}}will be delivered.{{' '}}
              {%- if states("sensor.mail_packages_in_transit")|int(0) == 0 -%}
                No
              {%- else -%}
                {{states("sensor.mail_packages_in_transit")|int(0)}}
              {%- endif -%}
            {{' '}}
              {%- if states("sensor.mail_packages_in_transit")|int(0) == 1 -%}
                package is
              {%- else -%}
                packages are
              {%- endif -%}
            {{' '}}in transit.{{' '}}
        {%- endmacro %}
      {{deliveries_sentence()}}