source: [tag=NN] [tag="-RRB-"] [lemma=□] □
destination: [tag=NN] [tag="-RRB-"] [lemma=and] □
spec: Could it be that the rise and fall of democratic aspirations have their own cycles ? ESDI introduced two new technologies to enhance customer service : The Automated Assistance Line ( AAL ) and Automated Call Distribution ( ACD ) .