y  dexter   bio
   88     225   yes
  102      88   yes
   73     162   no 
  105      90   yes
   51     245   no 
   52     150   yes
  106      87   yes
   76     212   yes
  100     112   yes
  112      77   yes
   89     137   no 
   52     171   no 
   49     199   no 
   75     137   yes
   50     149   no 
   75     251   yes
   75     102   no 
  112      90   yes
   55     180   no 
  115      25   yes
   50     142   no 
   87      88   no 
  106      87   no 
   91     101   no 
   75     211   yes
   70     136   yes
  100     100   no 
  100     100   yes