题目内容
Let's chant(说说唱唱)
Y Y Y Y Y? Why is it yellow?
Why this? Why that? I don't know why...
Y Y Y Y Y? Why is he young?
Why this? Why that? I don't know why...
Y Y Y Y Y? Why can it fly?
Why this? Why that? I don't know why...
Why? Why? Why?
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