The following sentences form a paragraph. The SECOND and FIFTH sentences of the paragraph are given. The rest of the sentences are numbered as P, Q, R and S. These parts are not given in their proper order. Read the sentences and answer the questions given below.

P. Colors have also been used by them as specialized unconscious messages to the consumers to attract them towards a brand.

2. Colour psychology is the theory of how colours affect human behaviour, mood, or physiological processes. 

Q. Color psychology is a relatively new area of study that faces several challenges.

R. This is why ideas related to colour psychology are heavily implemented in the areas of marketing and design. 

5. Companies choose colours that they believe will motivate customers to buy their products and improve brand awareness. 

S. According to the theory, colours are thought to influence our buying choices, our feelings, and even our memories.