2. What happened near the time Richard published his first book?
(a) C. heard that her parents were moving.
(b) C. got pregnant.
(c) C. moved back to live with her parents.
(d) C. received a promotion.

3. What does Richard think about Diana's part in Philip Lentz's work?
(a) He feels betrayed by her duplicity.
(b) He is saddened to see Diana put up with Lentz's rough personality.
(c) He suspects that she is doing all the hard work for Lentz.
(d) He is delighted for the opportunity Diana has.

4. What is the connection in the articles Philip Lentz gives Richard?
(a) Ecological interconnection.
(b) Climate change.
(c) Neural nets.
(d) Destabilization of currencies.

5. What mistake does Diana say Philip Lentz is making in his project?
(a) Not giving his implementations audio input.
(b) Not giving his implementations motivation to answer correctly.
(c) Not modeling his implementations emotions.
(d) Not giving his implementations visual input.

6. What is it that bothers Richard about Philip Lentz's deception?
(a) That Lentz took Diana away from him.
(b) That he, Richard, cares so much about the project.
(c) That he ever let Lentz close to him.
(d) That he has so little going for himself that he has become a character in Lentz' research.

7. Why is Richard upset by his lunch with Philip Lentz and others?
(a) He is afraid for the state of modern science.
(b) He cannot forget the hurt feelings felt by the people Lentz insults.
(c) He is concerned that the others' research is overlooking one vital principle.
(d) He is terrified by the fragility of the current peace.

8. What causes Richard to threaten to leave Philip Lentz's project?
(a) Lentz's cynicism.
(b) Problems with its theoretical foundations.
(c) Lentz's sexism.
(d) Lentz's drinking.

9. What is Richard worried about after his lunch with Philip Lentz and the others?
(a) Imminent political instability.
(b) His project failing.
(c) Science stagnating.
(d) Economic collapse.

10. Whom does Richard end up talking with, mostly?
(a) Students.
(b) Young people.
(c) Old people.
(d) Children.

11. What does Richard conclude about Lentz's feelings about working together?
(a) That he wants to push Richard away from the project.
(b) That he wants Richard to stay on the project.
(c) That he wants to work alone.
(d) That he wants to get help but take all the credit.

12. What happens if information that comes out of back propagation does not match the information put in?
(a) It is corrected.
(b) It is discarded.
(c) It is sent through again.
(d) It is used for reprogramming the neural net.

13. What is Philip Lentz starting to use as he works on implementation B?
(a) Additional processing power.
(b) Additional memory.
(c) Teaching it to find information.
(d) 'No' commands.

14. How does Philip Lentz respond when Diana Hartrick challenges him?
(a) He jumps out of his seat with a realization.
(b) He agrees that she has a valid point.
(c) He explains at length.
(d) He insults her.

15. What does Philip Lentz lead Richard to believe?
(a) That implementation B was a failure.
(b) That he was giving Richard credit for implementation C's advances.
(c) That C. was trying to get in touch with him.
(d) That implementation C had made huge strides.