It was wine. Tee totalers play with the language to discourage consumption. Which the bible never forbids. We're admonished against drunkenness and reference Paul's statement on convictions.
All things are lawful [that is, morally legitimate, permissible], but not all things are beneficial or advantageous. All things are lawful, but not all things are constructive [to character] and edifying [to spiritual life].
If a believer feels consumption is wrong they are free to abstain. But they aren't granted equal liberty to impress there conviction on another. In like fashion, if a brother is aware of their position they ought to abstain in their presence out of love (not to cause them to stumble). It's a courtesy not a declaration of agreement.