In this task, you are given a sentence. You must find the primary subject in the supplied sentence. The output must be a sub-sequence in the sentence.

Input: Consider Input: Whenever a member of his division is charged with a civil offence, the DO must ensure that the required signal informing C Navy and the Command Headquarters of the civil charge is made.

Output: the DO


Input: Consider Input: Hemp is very much softer than the other fibres described above.

Output: Hemp


Input: Consider Input: Handling of man-made fibre cordage.


Output: man-made fibre cordage


