{% macro get_funnel(pages, page) -%}
{%- set concepts = pages|selectattr('html', 'defined_and_equalto', 'concepts.html')|first -%}
{%- set tutorials = pages|selectattr('html', 'defined_and_equalto', 'tutorials.html')|first -%}
{%- set references = pages|selectattr('html', 'defined_and_equalto', 'references.html')|first -%}
{%- if concepts.is_ancestor_of(page.html) -%}Concepts
{%- elif tutorials.is_ancestor_of(page.html) -%}Tutorials
{%- elif tutorials.is_ancestor_of(page.html) -%}References
{%- else -%}Other{%- endif -%}
{%- endmacro %}