To avoid unauthorized use, visitor$$s must adhere to the security policy when using the internet. If you identify a potential breach in security, please notify the Information Security Officer.

a$.$ There are NO $(0)$ errors in the sentence$($s$).$

b$.$ There is ONE $(1)$ error in the sentence$($s$).$

c$.$ There are TWO $(2)$ errors in the sentence$($s$).$

d$.$ There are THREE $(3)$ or more errors in the sentence$($s$).$