Identify the fibres, $$P,\,Q$$ and $$R$$ using the given hints.
$$P.\;\;$$ It does not get wrinkled easily, remains crisp and is easy to wash.
$$Q.\;\;$$ It was the first fully synthetic fibre.
$$R.\;\;$$ Although it is obtained from a natural source, yet it is a man-made fibre.
P - Rayon, Q - Polythene, R - Terylene
P - Polyester, Q - Nylon, R - Rayon
P - Nylon, Q - Polythene, R - Bakelite
P - Melamine, Q - Nylon, R - Polyester