How many steps will be required to get the final output from the following input?
Input : Father needs to check on the boy

Observe the given pattern closely and we will find that neither the number of alphabets nor the 1st letter plays the main role but it is the last letter that plays the important role, and we can observe that last letter is in reversing order.

Here the steps will be ::
Input : Father needs to check on the boy
Step I: Boy father needs to check on the
Step II: Boy needs father to check on the
Step III: boy needs father to on the check.

Step III will be the final output of the given input. Hence machine will need three steps to make it.