Directions (1-5) : In the following questions, the  symbols , ∑, @, © and #are used with the following meaning as illustrated below :

‘X Δ  Y’ means ‘X is neither greater than nor equal to Y’.

‘X ∑ Y’ means ‘X is not smaller than Y’.

‘X@Y’ means ‘X is not greater than Y’

‘X©Y’ means ‘X is neither greater  than nor smaller than Y’.

‘X # Y’ means ‘X is neither smaller than nor equal to Y’.

Now in each of the following questions assuming the given statements to be true, find which of the two Conclusions I and II given below them is/are definitely true ?