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.

Handling of man-made fibre cordage.
man-made fibre cordage

Hemp is heavier than manila and the best quality is stronger than the manila supplied to the Royal Navy.
Hemp

The harder the twist given to the strands in laying, the shorter will be the resultant rope-in practice, three strands of I50fathoms lay up into a rope about 120 fathoms in length - and a rope is said to be hard-laid or soft-laid.

the twist