11.   Predicting the path of hurricanes is not an exact science.

12.   Systems analysis in general -- and data analysis is a branch of systems analysis -- is an art, not an exact science.

13.   Converting this sort of projection into figures for the amount of necessary new-build and rehabilitation is not an exact science.

14.   Living is never an exact science and we invariably over reach ourselves and destroy the balance of things.

15.   Assembling a newspaper is not an exact science.

16.   Besides, this is no exact science.

17.   All of which suggests that this part of the law is far from an exact science and more akin to alchemy.

18.   But even the sommelier admits wine pairing is not an exact science.

19.   But it is not an exact science.

20.   But none of this is an exact science, Rolnick said.