Some people maintain that the primary purpose of testing is to demonstrate that the software works as intended.

Which of the following observations is relevant to this belief?

Acceptance tests should be done by a separate team, appointed by the customers.

Test cases may need to match the operational profile of the software's eventual use.

There is a built-in bias towards doing a lackadaisical job of testing.

There is little to no value in running test cases on which the program succeeds.