问题描述：
根据a句,完成b句
a：the sun bigger than the earth.
问题解答：
我来补答
The sun is bigger than the earth.
The earth is smaller than the sun.
(是不是这样啊?)
再问： 是，还有，a:the earth is much lighter than the earth.
再答： The earth is much darker than the sun.
再问： a:the sun is near to us
再答： We are far away from the sun.
再问： 不是诶，b：the sun is not ？ ？ us
再答： The sun is not near to us.
再问： a：lt is bad for yopur eyes b:lt is ? ? for your eyes
再答： lt is not good for your eyes.
再问： a:splendid china is the biggest model park in the world b:splendid china is bigger than ? ? modle park
再答： any other
