It would help to know what your larger goal is, but here's a simple
version:
DICTIONARY = {
"hello" => ["Hello!", "Howdy!", "G'day!"],
"goodbye" => ["Goodbye!", "Later!"]
}
def random_t(string)
variants = DICTIONARY[string]
variants ? variants.rand : nil
end
random_t("hello")
random_t("goodbye")
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