public class CPD_Spec extends Base_Spec {
  CPD cpd =
      CPD.from(
          p(A, START, .3),
          p(B, START, .7),
          p(A, A, .1),
          p(B, A, .6),
          p(END, A, .3),
          p(A, B, .35),
          p(B, B, .35),
          p(END, B, .3));

  @Test
  public void gets_correct_probability_of_token_given_context() throws Exception {
    So(cpd.p(A, B)).shouldBe(P(.35));
  }
}
 @Test
 public void gets_correct_probability_of_token_given_context() throws Exception {
   So(cpd.p(A, B)).shouldBe(P(.35));
 }