Select from options: How similar are the following two sentences?

"The mission of the CAPPS II system has been and always will be aviation security," said the administration, part of the Homeland Security Department.
"The mission of the CAPPS II system has been and always will be aviation security," they said.

Give the answer on a scale from 0 - 5, where 0 is "not similar at all" and 5 is "means the same thing".

Choices:
 (a). 0;
 (b). 1;
 (c). 2;
 (d). 3;
 (e). 4;
 (f). 5;
(e).