Identify the option that has the most appropriate sequence such that a coherent paragraph is formed:
P. Over time, such adaptations lead to significant evolutionary changes with the potential to shape the development of new species.
Q. In natural world, organisms constantly adapt to their environments in response to challenges and opportunities.
R. This process of adaptation is driven by the principle of natural selection, where favorable traits increase an organism's chances of survival and reproduction.
S. As environments change, organisms that can adapt their behavior, structure and physiology to such changes are more likely to survive.
Eight students (P, Q, R, S, T, U, V, and W) are playing musical chairs. The figure indicates their order of position at the start of the game. They play the game by moving forward in a circle in the clockwise direction.
After the $1^{\text {st }}$ round, $4^{\text {th }}$ student behind P leaves the game. After $2^{\text {nd }}$ round, $5^{\text {th }}$ student behind Q leaves the game. After $3^{\text {rd }}$ round, $3^{\text {rd }}$ student behind V leaves the game. After $4^{\text {th }}$ round, $4^{\text {th }}$ student behind $U$ leaves the game. Who all are left in the game after the $4^{\text {th }}$ round?
Note: The figure shown is representative.

Sequence the following sentences (P, Q, R, S) in a coherent passage:
P: Shifu’s student exclaimed, “Why do you run since the bull is an illusion?”
Q: Shifu said, “Surely my running away from the bull is also an illusion.”
R: Shifu once proclaimed that all life is illusion.
S: One day, when a bull gave him chase, Shifu began running for his life.
Examples of mirror and water reflections are shown in the figures below:

An object appears as the following image after first reflecting in a mirror and then reflecting on water.
The original object is