Table 2.

Five attributes in evaluating the 14 provinces and cities

Attributes	Descriptions
$a_1$	Number of confirmed COVID-19 cases
$a_2$	Number of cure
$a_3$	Number of deaths
$a_4$	Number of close contacts
$a_5$	Number of medical observers

We can find that $a_2$ is a benefit attribute, and find that $a_1,a_3,a_4$ and $a_5$ are cost attributes.