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.

Input: Consider Input: When a boat laden with men is to be towed, a special towing painter is usually provided.

Output: a boat laden with men

Input: Consider Input: One must learn to interpret these characteristics.

Output: these characteristics

Input: Consider Input: New Zealand and St. Helena hemps are not true hemps like Italian, but produce hard fibres similar to those of sisal.
Output: New Zealand and St. Helena hemps