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.

Ex Input:
The crew then leave the boat and she is hoisted inboard.

Ex Output:
the boat


Ex Input:
Construction and types.

Ex Output:
Construction


Ex Input:
When new and untreated it is deep golden-brown in colour.

Ex Output:

it


