For the following 7 questions

In the following questions, the symbols @, ©, %, $ and d are used with the following meanings illustrated.

‘P % Q’ means ‘P is greater than Q’.
‘P d Q’ means ‘P is neither greater than nor smaller than Q’.
‘P @ Q’ means ‘P is smaller than Q’.
‘P © Q’ means ‘P is either smaller than or equal to Q’.
‘P $ Q’ means ‘P is either greater than or equal to Q’.
In each of the following questions assuming the given statements to be true, find out
which of the two conclusions I and II given below them is/are definitely true. Give
answers :

(A) If only conclusion I is true.
(B) If only conclusion II is true.
(C) If either conclusion I or conclusion II is true.
(D) If neither conclusion I nor conclusion II is true.
(E) If both conclusions I and II are true.