Love this story.
On this read, I noticed Multivac answers 7x adding a few more words, maybe to imply progress toward its final answer:
INSUFFICIENT DATA FOR MEANINGFUL ANSWER.
INSUFFICIENT DATA FOR A MEANINGFUL ANSWER.
THERE IS INSUFFICIENT DATA FOR A MEANINGFUL ANSWER.
THERE IS AS YET INSUFFICIENT DATA FOR A MEANINGFUL ANSWER. (4x)
LET THERE BE LIGHT!