The possessive pronoun is <em>"your"</em>.
You left <u>your</u> bike out in the rain today.
A possessive pronoun is that part of any sentence that provides "ownership" to something or to someone. It substitutes a noun sentence.
Examples:
The shirt is <em>mine</em>.
That is <em>her</em> pen.
Take <em>your</em> ball.
What words are possessive pronouns? Mine, yours, his, hers, its, ours, theirs.
Answer: It was like the inspired hunches that have led so many of the great advances in science and technology over the ages.
This statement could be considered biased if other facts and examples were not provided, because it presents the event as equivalent to other great advances in science and technology over the course of human history. If we do not know more about the "hunch," we would be tempted to think that the author is giving a lot of credit to the scientist, maybe excessively, and that he does not provide enough evidence to make such a grand assumption about the "inspired hunch."
Explanation:
Relative pronoun is the correct answer