I told Emi, "The cat is saying, 'Come here' with its paw."
After a moment Emi said, "Daddy the cat says, 'Come meow!'" And motioned like the cat.
For a moment I couldn't believe it.
But it really was a joke. I roared with laughter. "Emi that is awesome! Your first real joke in English!"
And she grinned and laughed with me.