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: The size of a strand is that of the rope from which it was taken

Output: The size of a strand


Input: Consider Input: Then it is laid over the two foremost thwarts.

Output: it


Input: Consider Input: This is in relation to the direction in which the shore lies.


Output: the shore