Virtually all of DSs many attempts fall flat, such as:

Why did the bird eat the other seed?
Because he went the wrong way. (much giggling)

I sit there wondering if I'm missing some deep insight until I conclude, no, that despite him repeating the "joke" 10 times it still doesn't actually fall in the category of humorous. I wonder if in his head he sees some image that's funny? I don't know why he giggles.

Polly