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.
One example is below.
Q: Rope and its Usage
A: Rope
Rationale: The word 'Rope' is the key subject here, while Usage is a property of Rope.
Q: New Zealand and St. Helena hemps are not true hemps like Italian, but produce hard fibres similar to those of sisal.
A:
New Zealand and St. Helena hemps