, ▁they ▁are ▁wel com ed ▁by ▁Mel ody ▁who ▁asks ▁Deb bie ▁if ▁she ▁understand s ▁the ▁rules ▁and ▁then ▁direct s ▁her ▁to ▁the ▁children ' s ▁entrance . ▁Mel ody ▁ass ures ▁the ▁parents ▁that ▁Deb bie ▁will ▁be ▁just ▁fine ▁and ▁takes ▁them ▁to ▁the ▁waiting ▁room . ▁Deb bie ▁wand ers ▁through ▁a ▁hall way ▁where ▁a ▁cheer ful ▁voice ▁says , ▁" To ▁hear ▁the ▁parents ▁talk : ▁just ▁press ▁the ▁red ▁button ▁on ▁the ▁side ▁of ▁the ▁window ." ▁ ▁Deb bie ▁is ▁shown ▁five ▁displays , ▁each ▁with ▁a ▁couple ▁of ▁parents ▁inside ▁a ▁locked ▁room ▁with ▁a ▁glass ▁front ▁so ▁that ▁they ▁are ▁clearly ▁visible ▁to ▁outside ▁spect ators . ▁The ▁first ▁couple ▁wild ly ▁beg s ▁her ▁to ▁take ▁them ▁with ▁her ; ▁the ▁second ▁couple ▁makes ▁violent ▁thre ats ; ▁the ▁third ▁is ▁sleep ing ▁so ▁Deb bie ▁passes ▁them ; ▁the ▁fourth ▁try ▁to ▁b ri be ▁her ; ▁and ▁the ▁fifth ▁reve als ▁that ▁their ▁son ▁was ▁seven ▁when ▁he ▁brought ▁them ▁into ▁the ▁zoo ▁and ▁that ▁they ▁are ▁very ▁sorry ▁for ▁their ▁previous ▁trans gress ions . ▁They ▁promise ▁Deb bie ▁that ▁they ▁have ▁learned ▁their ▁less on ▁and ▁will ▁try ▁to ▁be ▁the ▁best ▁parents ▁they ▁can . ▁Con vin ced , ▁Deb bie ▁press es ▁a ▁green ▁button ▁and ▁makes ▁her ▁selection . ▁ ▁Mel ody ▁tells ▁Deb bie ▁that ▁she ▁has ▁made ▁a ▁very ▁good ▁choice , ▁and ▁as ▁the ▁three ▁walk ▁away ▁happ ily ,