Check out example codes for "ssml". It will help you in understanding the concepts better.

Code Example 1

<speak>
    <amazon:emotion name="disappointed" intensity="medium">
        I want to tell you a secret. 
        <voice name="Kendra">I am not a real human.</voice>.
        Can you believe it?
    </amazon:emotion>
</speak>

Code Example 2

<speak>hi</speak>

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