Let  P, Q, R  be the following propositions:

P:   My family name comes before my given name.

Q:   I am Chinese.

R:   I am Thai.

Using P, Q, R and appropriate connectives, construct a proposition in Conjunctive Normal Form to express the fact that my family name comes before my given name if I'm Chinese, while it comes after my given name if I'm Thai.

The following symbols are provided for you to copy if you wish (though not many of them are needed in this question, and you are not limited to using the symbols that are listed here):     ∃  ∀  ∧  ∨  ¬  ⇔  ⇒  ⇐  ∈  ≤  ≥  ≠