code: def getUtilities(self, decision, binaryRelations):
          m = len(binaryRelations)
          utilities = []
          for cand in decision:
              tops = [cand-1]
              index = 0
              while index < len(tops):
                  s = tops[index]
                  for j in range(m):
                      if j == s:
                          continue
                      if binaryRelations[j][s] > 0:
                          if j not in tops:
                              tops.append(j)
                  index += 1
              if len(tops) <= self.k:
                  if self.isLoss == False:
                      utilities.append(1.0)
                  elif self.isLoss == True:
                      utilities.append(-1.0)
              else:
                  utilities.append(0.0)
          return utilities