Consider the following statements in the light of the philosophy of Locke and mark the correct option:
1. Primary qualities are sensible qualities that depend on the perceiver.
2. Primary qualities are colour, sound, taste and texture.
3. Secondary qualities are those whose existence is independent of any perceiver.
4. Primary qualities are objective properties of things whereas secondary qualities are subjective properties.

A. 1 and 2 are true

B. 2 and 3 are true

C. 3 and 4 are true

D. Only 4 is true

Answer: Option D