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.

[Q]: This process is called 'laying' and is always carried out in the opposite direction to that used in the previous stage of twisting the strands; it is, moreover, distinct from the simple spin or twist and is twofold, in that:
[A]: This process


[Q]: It is obviously important to keep her bilges clear of rocks or large stones.
[A]: her bilges


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