With the premise 'They could not recall that any of the passengers they screened were CAPPS selectees.', is 'Perhaps some of the passengers they screened were CAPPS selectees, but they did not recall it. ' a logical derivative?
They could not recall that any of the passengers they screened were CAPPS selectees.###Perhaps some of the passengers they screened were CAPPS selectees, but they did not recall it. 