Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Manila hawser-laid rope is supplied to the Royal Navy in coils of 120 fathoms, and it is marked with one red rogue's yarn in each of two strands.
Student:
Manila hawser-laid rope