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.

[EX Q]: In particularly rough weather, the ship's side should be well fendered.
[EX A]:  the ship's side

[EX Q]: Rope under load will tend to twist in the opposite direction to that of its lay and thereby tend to unlay itself, but it should regain its normal form when slack.
[EX A]: Rope under load

[EX Q]: Its wearing qualities are about the same as those of manila, but it is far more flexible.
[EX A]:
It