solve the quiz

A hen and her 3 little chickens were trying to cross a busy highway. After great efforts they all managed to cross it. One of the little ones yells out happily - wow.......after so much efforts, all 5 us managed to cross.

Q] why does the little one say "all 5 of us"??????

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think a little bit its easy. . . . . . .

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A] are bachche hain kuch bhi bol dete hain. unko ginti kaha ati he.