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: Hemp rope.

Output: Hemp rope


Input: Consider Input: Commercially manufactured manila ropes over 2 inches in circumference and complying with the specification of the British Standards Institution are identified as follows: Grade I, 'Special', one black rogue's yarn in three strands; Grade II, 'Standard', one black rogue's yarn in two strands; Grade III, 'Merchant', one black rogue's yarn in one strand.

Output: Commercially manufactured manila ropes over 2 inches in circumference and complying with the specification of the British Standards Institution


Input: Consider Input: Left-handed ropes, in which each component is made in exactly the opposite direction, are found in commercial practice; but the only left-handed cordage supplied to the Royal Navy - and that in very small quantities - is hammock Iashing and marline.


Output: Left-handed ropes