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]: Sailors originally named the directions from the winds that they distinguished.
[EX A]: the directions

[EX Q]: The fibre selected, therefore, depends on the use for which the rope is intended.
[EX A]: The fibre selected

[EX Q]: On no account must stage lashing be used for paint ship stages.
[EX A]:
stage lashing