Estimate the number of birds in the flock, more than 10 , almost 100 , more than 100, Estimate the n umber of apples, less than 10, around 30 , more than 50 , Estimate the number of balls, less than 100 , more than 100 , more than 50 , Estimate the number of people in this crowd, more than 1000 , almost 100 , less than 100.

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