问题：
[多选题]Which of the following sentence uses parallel construction? (Garry Kasparov|Don't fear intelligent machines. Work with them.)
A Machines have calculations. We have understanding.
B Machines have instructions. We have purpose.
C Machines have objectivity. We have passion.
D We must face our fears if we want to get the most out of our technology, and we must conquer those fears if we want to get the best out of our humanity.
