gistfile1.txt

label main:
    if has_item grand_key:
        jump "has_key"
    
    jump "no_key"

label has_key:
    show Battler Happy
    show Beatrice Happy

    name "Battler"

    say "This is dialogue that indicates that you have the key! Sweet!"

label no_key:
    show Battler
    show Beatrice

    name "Battler"

    say "This is dialogue that indicates that you do not have the key."

gistfile2.txt

label main:
    name "Battler"

    if has_item grand_key:
        show Battler Happy
        show Beatrice Happy

        say "This is dialogue that indicates that you have the key! Sweet!"
    else:
        show Battler
        show Beatrice

        say "This is dialogue that indicates that you do not have the key."