Choose from options: Determine if the sentence is true based on the text below:
Tevatron was no longer used after this statement was written

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.
Available choices: 1). Yes. 2). It's impossible to say. 3). No.
2).