anchor.diff:  virginica,5.8,2.8,5.1,2.4,12.0858091525
   virginica,6.4,3.2,5.3,2.3,12.1659550229
   virginica,6.5,3,5.5,1.8,12.053217655
  -virginica,7.7,3.8,6.7,2.2,12.0896648929
   virginica,7.7,2.6,6.9,2.3,12.1388817708
   virginica,6,2.2,5,1.5,12.0403408899
   virginica,6.9,3.2,5.7,2.3,12.0985199924
  
positive.code: versicolor,6.4,3.2,4.5,1.5,12.1168393161
  versicolor,6.9,3.1,4.9,1.5,12.0679563019
  versicolor,5.5,2.3,4,1.3,12.0106202028
  versicolor,6.5,2.8,4.6,1.5,12.173848127
  versicolor,5.7,2.8,4.5,1.3,12.0253014191
  versicolor,6.3,3.3,4.7,1.6,12.0011698694
  versicolor,4.9,2.4,3.3,1,12.0002325957
  
negative.code: species,sepal_length,sepal_width,petal_length,petal_width,stem_length
  setosa,4.3,6.3,4,2,12.1416914686
  versicolor,6.5,2.8,4.6,1.5,12.173848127
  virginica,7.7,3.8,6.7,2.2,12.0896648929
  setosa,5.1,3.5,1.4,0.2,12.0028706455
  setosa,4.9,3,1.4,0.2,12.1402926056
  setosa,4.7,3.2,1.3,0.2,12.0956312884
  