WhichWhich sentence best uses the word “chatter” with the definition “to make speech-like sounds, as certain animals do”?

The faster you speak, the more you are beginning to chatter.
Andre ran his fingers across the uneven lines of chatter.
I’m sure once they get their food, the monkeys will start to chatter.
She wanted to understand them, but their words were nothing but chatter. source is an example of a reference material?