]
) -> Runnable[Input, Output]:
    if isinstance(thing, Runnable):
        return thing
    elif callable(thing):
        return RunnableLambda(thing)
    elif isinstance(thing, dict):
        runnables = {key: _coerce_to_runnable(r) for key, r in thing.items()}
        return cast(Runnable[Input, Output], RunnableMap(steps=runnables))
    else:
        raise TypeError(
            f"Expected a Runnable, callable or dict."
            f"Instead got an unsupported type: {type(thing)}"
        )