instruction:
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.
question:
This is made from sisal laid up left-handed because when used for lashing up with a marline hitch it is less likely to unlay than a right- handed rope.
answer:
This

question:
Four-stranded (rot-proofed manila or sisal) rope, laid up round a heart or centre made of the same material, is known as shroud-laid rope.
answer:
Four-stranded (rot-proofed manila or sisal) rope

question:
The rope will stretch under load, but may be expected to regain its normal length when slack, provided that the load applied is well within the breaking strength of the rope;
answer:
The rope