You will see a sentence and a given pronoun. Answer with the word in the sentence to which the pronoun is referring.
Example: this book introduced shakespeare to ovid; it was a fine selection of his writing.
Example solution: his writing
Example explanation: in this statement the pronoun is his and his writing is referring to the quote in the sentence using the pronoun

Problem: text: we went to the lake, because a shark had been seen at the ocean beach, so it was a safer place to swim.; pronoun: it

Solution: the lake