Teacher: 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.
Teacher: Now, understand the problem? If you are still confused, see the following example:
Rope and its Usage
Solution: Rope
Reason: The word 'Rope' is the key subject here, while Usage is a property of Rope.

Now, solve this instance: This is in relation to the direction in which the shore lies.
Student:
the shore