Suppose there are three groups with 100 organisms each with 3 different species W, X, and Y: Group 1 contains 25 W, 50 X and 25 Y, Group 2 contains 50 W and 50 X while Group 3 contains 33 W, 34 X, and 33 Y, which of the three groups has the highest diversity, according to the Shannon Diversity Index?