The stupendous power of the Tevatron made possible the 1995 discovery of the top quark - the last of six flavors of quarks predicted by the standard model theory of particle physics.
Does this next sentence follow, given the preceding text?
Particle physics is a field that is difficult to understand 

Choices:
(I) Yes;
(II) It's impossible to say;
(III) No;
(II)