liquid - array item accessing
<!-- if site.users = "Tobi", "Laura", "Tetsuro", "Adam" --> {{ site.users[0] }} {{ site.users[1] }} {{ site.users[-1] }}
Source: shopify.github.io
<!-- if site.users = "Tobi", "Laura", "Tetsuro", "Adam" --> {{ site.users[0] }} {{ site.users[1] }} {{ site.users[-1] }}