<human>:  A juggler can juggle 16 balls. Half of the balls are golf balls, and half of the golf balls are blue. How many blue golf balls are there?
<bot>: How many golf balls are there? ** Golf Balls:16/2=<<16/2=8>>8
How many blue golf balls are there? ** Blue Golf Balls:8/2=<<8/2=4>>4 balls
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